;(function() {

	if (typeof this.BX !== 'undefined' && typeof this.BX.Vue !== 'undefined')
	{
		var currentVersion = '2.6.14';

		if (this.BX.Vue.version() !== currentVersion)
		{
			console.warn('BX.Vue already loaded. Loaded: ' + this.BX.Vue.version() + ', Skipped: ' + currentVersion + '. Version differences may cause errors!');
		}

		return;
	}

(function (exports,main_core_events,main_core,rest_client,pull_client) {
	'use strict';

	function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }

	function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { babelHelpers.defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
	var BitrixVue = /*#__PURE__*/function () {
	  function BitrixVue(VueVendor) {
	    babelHelpers.classCallCheck(this, BitrixVue);
	    this._appCounter = 0;
	    this._components = {};
	    this._mutations = {};
	    this._clones = {};
	    this._instance = VueVendor;

	    this._instance.use(this);

	    this.event = new VueVendor();
	    this.events = {
	      restClientChange: 'RestClient::change',
	      pullClientChange: 'PullClient::change'
	    };
	    var settings = main_core.Extension.getSettings('ui.vue');
	    this.localizationMode = settings.get('localizationDebug', false) ? 'development' : 'production';
	  }
	  /**
	   * Create new Vue instance
	   *
	   * @param {Object} params - definition
	   *
	   * @see https://vuejs.org/v2/guide/
	   */


	  babelHelpers.createClass(BitrixVue, [{
	    key: "create",
	    value: function create(params) {
	      BitrixVue.showNotice('Method Vue.create is deprecated, use BitrixVue.createApp instead.\n' + 'If you are using "el" property or .$mount(...) to bind your application, use .mount(...) instead.');
	      return this.createApp(params);
	    }
	    /**
	     * Create new Vue instance
	     *
	     * @param {Object} params - definition
	     *
	     * @see https://v2.vuejs.org/v2/guide/
	     */

	  }, {
	    key: "createApp",
	    value: function createApp(params) {
	      var bitrixVue = this; // 1. Init Bitrix public api

	      var $Bitrix = {}; // 1.1 Localization

	      $Bitrix.Loc = {
	        messages: {},
	        getMessage: function getMessage(messageId) {
	          var replacements = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

	          if (bitrixVue.localizationMode === 'development') {
	            var debugMessageId = [messageId];

	            if (main_core.Type.isPlainObject(replacements)) {
	              var replaceKeys = Object.keys(replacements);

	              if (replaceKeys.length > 0) {
	                debugMessageId = [messageId, ' (replacements: ', replaceKeys.join(', '), ')'];
	              }
	            }

	            return debugMessageId.join('');
	          }

	          var message = '';

	          if (!main_core.Type.isUndefined(this.messages[messageId])) {
	            message = this.messages[messageId];
	          } else {
	            message = main_core.Loc.getMessage(messageId);
	            this.messages[messageId] = message;
	          }

	          if (main_core.Type.isString(message) && main_core.Type.isPlainObject(replacements)) {
	            Object.keys(replacements).forEach(function (replacement) {
	              var globalRegexp = new RegExp(replacement, 'gi');
	              message = message.replace(globalRegexp, function () {
	                return main_core.Type.isNil(replacements[replacement]) ? '' : String(replacements[replacement]);
	              });
	            });
	          }

	          return message;
	        },
	        hasMessage: function hasMessage(messageId) {
	          return main_core.Type.isString(messageId) && !main_core.Type.isNil(this.getMessages()[messageId]);
	        },
	        getMessages: function getMessages() {
	          if (typeof BX.message !== 'undefined') {
	            return _objectSpread(_objectSpread({}, BX.message), this.messages);
	          }

	          return _objectSpread({}, this.messages);
	        },
	        setMessage: function setMessage(id, value) {
	          if (main_core.Type.isString(id)) {
	            this.messages[id] = value;
	          }

	          if (main_core.Type.isObject(id)) {
	            for (var code in id) {
	              if (id.hasOwnProperty(code)) {
	                this.messages[code] = id[code];
	              }
	            }
	          }
	        }
	      }; // 1.2  Application Data

	      $Bitrix.Application = {
	        instance: null,
	        get: function get() {
	          return this.instance;
	        },
	        set: function set(instance) {
	          this.instance = instance;
	        }
	      }; // 1.3  Application Data

	      $Bitrix.Data = {
	        data: {},
	        get: function get(name, defaultValue) {
	          var _this$data$name;

	          return (_this$data$name = this.data[name]) !== null && _this$data$name !== void 0 ? _this$data$name : defaultValue;
	        },
	        set: function set(name, value) {
	          this.data[name] = value;
	        }
	      }; // 1.4  Application EventEmitter

	      $Bitrix.eventEmitter = new main_core_events.EventEmitter();

	      if (typeof $Bitrix.eventEmitter.setEventNamespace === 'function') {
	        this._appCounter++;
	        $Bitrix.eventEmitter.setEventNamespace('vue:app:' + this._appCounter);
	      } else // hack for old version of Bitrix SM
	        {
	          window.BX.Event.EventEmitter.prototype.setEventNamespace = function () {};

	          $Bitrix.eventEmitter.setEventNamespace = function () {};
	        } // 1.5  Application RestClient


	      $Bitrix.RestClient = {
	        instance: null,
	        get: function get() {
	          var _this$instance;

	          return (_this$instance = this.instance) !== null && _this$instance !== void 0 ? _this$instance : rest_client.rest;
	        },
	        set: function set(instance) {
	          this.instance = instance;
	          $Bitrix.eventEmitter.emit(bitrixVue.events.restClientChange);
	        },
	        isCustom: function isCustom() {
	          return this.instance !== null;
	        }
	      }; // 1.6  Application PullClient

	      $Bitrix.PullClient = {
	        instance: null,
	        get: function get() {
	          var _this$instance2;

	          return (_this$instance2 = this.instance) !== null && _this$instance2 !== void 0 ? _this$instance2 : pull_client.PULL;
	        },
	        set: function set(instance) {
	          this.instance = instance;
	          $Bitrix.eventEmitter.emit(bitrixVue.events.pullClientChange);
	        },
	        isCustom: function isCustom() {
	          return this.instance !== null;
	        }
	      };

	      if (typeof params.mixins === 'undefined') {
	        params.mixins = [];
	      }

	      params.mixins.unshift({
	        beforeCreate: function beforeCreate() {
	          this.$bitrix = $Bitrix;
	        }
	      });
	      var instance = new this._instance(params);

	      instance.mount = function (rootContainer) {
	        return this.$mount(rootContainer);
	      };

	      return instance;
	    }
	    /**
	     * Register Vue component
	     *
	     * @param {String} id
	     * @param {Object} params
	     * @param {Object} [options]
	     *
	     * @see https://v2.vuejs.org/v2/guide/components.html
	     */

	  }, {
	    key: "component",
	    value: function component(id, params) {
	      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

	      if (!params.name) {
	        params.name = id;
	      }

	      this._components[id] = Object.assign({}, params);
	      this._components[id].bitrixOptions = {
	        immutable: options.immutable === true,
	        local: options.local === true
	      };

	      if (typeof this._clones[id] !== 'undefined') {
	        this._registerCloneComponent(id);
	      }

	      var componentParams = this._getFinalComponentParams(id);

	      if (this.isLocal(id)) {
	        return componentParams;
	      }

	      return this._instance.component(id, componentParams);
	    }
	    /**
	     * Register Vue component (local)
	     * @see https://v2.vuejs.org/v2/guide/components.html
	     *
	     * @param {string} name
	     * @param {Object} definition
	     * @param {Object} [options]
	     *
	     * @returns {Object}
	     */

	  }, {
	    key: "localComponent",
	    value: function localComponent(name, definition) {
	      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
	      return this.component(name, definition, _objectSpread(_objectSpread({}, options), {}, {
	        local: true
	      }));
	    }
	    /**
	     * Get local Vue component
	     * @see https://v2.vuejs.org/v2/guide/components.html
	     *
	     * @param {string} name
	     *
	     * @returns {Object}
	     */

	  }, {
	    key: "getLocalComponent",
	    value: function getLocalComponent(name) {
	      if (!this.isComponent(name)) {
	        BitrixVue.showNotice('Component "' + name + '" is not registered yet.');
	        return null;
	      }

	      if (!this.isLocal(name)) {
	        BitrixVue.showNotice('You cannot get the component "' + name + '" because it is marked as global.');
	        return null;
	      }

	      return this._getFinalComponentParams(name);
	    }
	    /**
	     * Modify Vue component
	     *
	     * @param {String} id
	     * @param {Object} mutations
	     *
	     * @returns {Function|boolean} - function for remove this modification
	     */

	  }, {
	    key: "mutateComponent",
	    value: function mutateComponent(id, mutations) {
	      var _this = this;

	      var mutable = this.isMutable(id);

	      if (mutable === false) {
	        BitrixVue.showNotice('You cannot mutate the component "' + id + '" because it is marked as immutable, perhaps cloning the component is fine for you.');
	        return false;
	      }

	      if (typeof this._mutations[id] === 'undefined') {
	        this._mutations[id] = [];
	      }

	      this._mutations[id].push(mutations);

	      if (typeof this._components[id] !== 'undefined' && !this.isLocal(id)) {
	        this.component(id, this._components[id], this._components[id].bitrixOptions);
	      }

	      return function () {
	        _this._mutations[id] = _this._mutations[id].filter(function (element) {
	          return element !== mutations;
	        });
	      };
	    }
	    /**
	     * Clone Vue component
	     *
	     * @param {string} id
	     * @param {string} sourceId
	     * @param {object} mutations
	     * @returns {boolean}
	     */

	  }, {
	    key: "cloneComponent",
	    value: function cloneComponent(id, sourceId, mutations) {
	      if (this.isLocal(sourceId)) {
	        var definition = this.getLocalComponent(sourceId);
	        definition.name = id;
	        this.component(id, definition, {
	          immutable: false,
	          local: true
	        });
	        this.mutateComponent(id, mutations);
	        return true;
	      }

	      if (typeof this._clones[sourceId] === 'undefined') {
	        this._clones[sourceId] = {};
	      }

	      this._clones[sourceId][id] = {
	        id: id,
	        sourceId: sourceId,
	        mutations: mutations
	      };

	      if (typeof this._components[sourceId] !== 'undefined') {
	        this._registerCloneComponent(sourceId, id);
	      }

	      return true;
	    }
	    /**
	     * Clone Vue component (object)
	     *
	     * @param {object} source
	     * @param {object} mutations
	     * @returns {object}
	     */

	  }, {
	    key: "cloneLocalComponent",
	    value: function cloneLocalComponent(source, mutations) {
	      if (babelHelpers["typeof"](source) !== 'object') {
	        source = this.getLocalComponent(source);

	        if (!source) {
	          return null;
	        }
	      }

	      return this._applyMutation(this._cloneObjectWithoutDuplicateFunction(source, mutations), mutations);
	    }
	    /**
	     * Check exists Vue component
	     *
	     * @param {string} id
	     * @returns {boolean}
	     */

	  }, {
	    key: "isComponent",
	    value: function isComponent(id) {
	      return typeof this._components[id] !== 'undefined';
	    }
	    /**
	     * Check able to mutate Vue component
	     *
	     * @param id
	     * @returns {boolean|undefined} - undefined when component not registered yet.
	     */

	  }, {
	    key: "isMutable",
	    value: function isMutable(id) {
	      if (typeof this._components[id] === 'undefined') {
	        return undefined;
	      }

	      return !this._components[id].bitrixOptions.immutable;
	    }
	    /**
	     * Check component is a local
	     *
	     * @param id
	     * @returns {boolean|undefined} - undefined when component not registered yet.
	     */

	  }, {
	    key: "isLocal",
	    value: function isLocal(id) {
	      if (typeof this._components[id] === 'undefined') {
	        return undefined;
	      }

	      return this._components[id].bitrixOptions.local === true;
	    }
	    /**
	     * Create a "subclass" of the base Vue constructor.
	     *
	     * @param options
	     * @returns {*}
	     *
	     * @see https://v2.vuejs.org/v2/api/#Vue-extend
	     */

	  }, {
	    key: "extend",
	    value: function extend(options) {
	      return this._instance.extend(options);
	    }
	    /**
	     *	Defer the callback to be executed after the next DOM update cycle. Use it immediately after you have changed some data to wait for the DOM update.
	     *
	     * @param {Function} callback
	     * @param {Object} context
	     * @returns {Promise|void}
	     *
	     * @see https://v2.vuejs.org/v2/api/#Vue-nextTick
	     */

	  }, {
	    key: "nextTick",
	    value: function nextTick(callback, context) {
	      return this._instance.nextTick(callback, context);
	    }
	    /**
	     * Adds a property to a reactive object, ensuring the new property is also reactive, so triggers view updates.
	     *
	     * @param {Object|Array} target
	     * @param {String|Number} key
	     * @param {*} value
	     * @returns {*}
	     *
	     * @see https://v2.vuejs.org/v2/api/#Vue-set
	     */

	  }, {
	    key: "set",
	    value: function set(target, key, value) {
	      return this._instance.set(target, key, value);
	    }
	    /**
	     * Delete a property on an object. If the object is reactive, ensure the deletion triggers view updates.
	     *
	     * @param {Object|Array} target
	     * @param {String|Number} key
	     * @returns {*}
	     */

	  }, {
	    key: "delete",
	    value: function _delete(target, key) {
	      return this._instance["delete"](target, key);
	    }
	    /**
	     * Register or retrieve a global directive.
	     *
	     * @param {String} id
	     * @param {Object|Function} definition
	     * @returns {*}
	     *
	     * @see https://v2.vuejs.org/v2/api/#Vue-directive
	     */

	  }, {
	    key: "directive",
	    value: function directive(id, definition) {
	      return this._instance.directive(id, definition);
	    }
	    /**
	     * Register or retrieve a global filter.
	     *
	     * @param id
	     * @param definition
	     * @returns {*}
	     *
	     * @see https://v2.vuejs.org/v2/api/#Vue-filter
	     */

	  }, {
	    key: "filter",
	    value: function filter(id, definition) {
	      return this._instance.filter(id, definition);
	    }
	    /**
	     * Install a Vue.js plugin.
	     *
	     * @param {Object|Function} plugin
	     * @returns {*}
	     *
	     * @see https://v2.vuejs.org/v2/api/#Vue-use
	     */

	  }, {
	    key: "use",
	    value: function use(plugin) {
	      return this._instance.use(plugin);
	    }
	    /**
	     * Apply a mixin globally, which affects every Vue instance created afterwards.
	     *
	     * @param {Object} mixin
	     * @returns {*|Function|Object}
	     *
	     * @see https://v2.vuejs.org/v2/api/#Vue-mixin
	     */

	  }, {
	    key: "mixin",
	    value: function mixin(_mixin) {
	      return this._instance.mixin(_mixin);
	    }
	    /**
	     * Make an object reactive. Internally, Vue uses this on the object returned by the data function.
	     *
	     * @param object
	     * @returns {*}
	     *
	     * @see https://v2.vuejs.org/v2/api/#Vue-observable
	     */

	  }, {
	    key: "observable",
	    value: function observable(object) {
	      return this._instance.observable(object);
	    }
	    /**
	     * Compiles a template string into a render function.
	     *
	     * @param template
	     * @returns {*}
	     *
	     * @see https://v2.vuejs.org/v2/api/#Vue-compile
	     */

	  }, {
	    key: "compile",
	    value: function compile(template) {
	      return this._instance.compile(template);
	    }
	    /**
	     * Provides the installed version of Vue as a string.
	     *
	     * @returns {String}
	     *
	     * @see https://v2.vuejs.org/v2/api/#Vue-version
	     */

	  }, {
	    key: "version",
	    value: function version() {
	      return this._instance.version;
	    }
	    /**
	     * Test node for compliance with parameters
	     *
	     * @param obj
	     * @param params
	     * @returns {boolean}
	     */

	  }, {
	    key: "testNode",
	    value: function testNode(obj, params) {
	      if (!params || babelHelpers["typeof"](params) !== 'object') {
	        return true;
	      }

	      var i, j, len;

	      for (i in params) {
	        if (!params.hasOwnProperty(i)) {
	          continue;
	        }

	        switch (i) {
	          case 'tag':
	          case 'tagName':
	            if (typeof params[i] === "string") {
	              if (obj.tagName.toUpperCase() !== params[i].toUpperCase()) {
	                return false;
	              }
	            } else if (params[i] instanceof RegExp) {
	              if (!params[i].test(obj.tagName)) {
	                return false;
	              }
	            }

	            break;

	          case 'class':
	          case 'className':
	            if (typeof params[i] === "string") {
	              if (!obj.classList.contains(params[i].trim())) {
	                return false;
	              }
	            } else if (params[i] instanceof RegExp) {
	              if (typeof obj.className !== "string" || !params[i].test(obj.className)) {
	                return false;
	              }
	            }

	            break;

	          case 'attr':
	          case 'attrs':
	          case 'attribute':
	            if (typeof params[i] === "string") {
	              if (!obj.getAttribute(params[i])) {
	                return false;
	              }
	            } else if (params[i] && Object.prototype.toString.call(params[i]) === "[object Array]") {
	              for (j = 0, len = params[i].length; j < len; j++) {
	                if (params[i][j] && !obj.getAttribute(params[i][j])) {
	                  return false;
	                }
	              }
	            } else {
	              for (j in params[i]) {
	                if (!params[i].hasOwnProperty(j)) {
	                  continue;
	                }

	                var value = obj.getAttribute(j);

	                if (typeof value !== "string") {
	                  return false;
	                }

	                if (params[i][j] instanceof RegExp) {
	                  if (!params[i][j].test(value)) {
	                    return false;
	                  }
	                } else if (value !== '' + params[i][j]) {
	                  return false;
	                }
	              }
	            }

	            break;

	          case 'property':
	          case 'props':
	            if (typeof params[i] === "string") {
	              if (!obj[params[i]]) {
	                return false;
	              }
	            } else if (params[i] && Object.prototype.toString.call(params[i]) == "[object Array]") {
	              for (j = 0, len = params[i].length; j < len; j++) {
	                if (params[i][j] && !obj[params[i][j]]) {
	                  return false;
	                }
	              }
	            } else {
	              for (j in params[i]) {
	                if (!params[i].hasOwnProperty(j)) {
	                  continue;
	                }

	                if (typeof params[i][j] === "string") {
	                  if (obj[j] != params[i][j]) {
	                    return false;
	                  }
	                } else if (params[i][j] instanceof RegExp) {
	                  if (typeof obj[j] !== "string" || !params[i][j].test(obj[j])) {
	                    return false;
	                  }
	                }
	              }
	            }

	            break;
	        }
	      }

	      return true;
	    }
	    /**
	     * Getting a part of localization object for insertion into computed property.
	     *
	     * @param {String} phrasePrefix
	     * @param {Object|null} phrases
	     * @returns {ReadonlyArray<any>}
	     */

	  }, {
	    key: "getFilteredPhrases",
	    value: function getFilteredPhrases(phrasePrefix) {
	      var _this2 = this;

	      var phrases = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
	      var result = {};

	      if (!phrases && typeof BX.message !== 'undefined') {
	        phrases = BX.message;
	      } else if (main_core.Type.isObject(phrases) && main_core.Type.isObject(phrases.$Bitrix)) {
	        phrases = phrases.$Bitrix.Loc.getMessages();
	      }

	      if (Array.isArray(phrasePrefix)) {
	        var _loop = function _loop(message) {
	          if (!phrases.hasOwnProperty(message)) {
	            return "continue";
	          }

	          if (!phrasePrefix.find(function (element) {
	            return message.toString().startsWith(element);
	          })) {
	            return "continue";
	          }

	          if (_this2.localizationMode === 'development') {
	            result[message] = message;
	          } else {
	            result[message] = phrases[message];
	          }
	        };

	        for (var message in phrases) {
	          var _ret = _loop(message);

	          if (_ret === "continue") continue;
	        }
	      } else {
	        for (var _message in phrases) {
	          if (!phrases.hasOwnProperty(_message)) {
	            continue;
	          }

	          if (!_message.startsWith(phrasePrefix)) {
	            continue;
	          }

	          if (this.localizationMode === 'development') {
	            result[_message] = _message;
	          } else {
	            result[_message] = phrases[_message];
	          }
	        }
	      }

	      return Object.freeze(result);
	    }
	    /**
	     * Return component params with mutation
	     *
	     * @param {String} componentId
	     * @param {Object} mutations
	     * @returns {null|Object}
	     *
	     * @private
	     */

	  }, {
	    key: "_getComponentParamsWithMutation",
	    value: function _getComponentParamsWithMutation(componentId, mutations) {
	      var _this3 = this;

	      if (typeof this._components[componentId] === 'undefined') {
	        return null;
	      }

	      var componentParams = Object.assign({}, this._components[componentId]);

	      if (typeof mutations === 'undefined') {
	        return componentParams;
	      }

	      mutations.forEach(function (mutation) {
	        componentParams = _this3._applyMutation(_this3._cloneObjectWithoutDuplicateFunction(componentParams, mutation), mutation);
	      });
	      return componentParams;
	    }
	  }, {
	    key: "_getFinalComponentParams",
	    value: function _getFinalComponentParams(id) {
	      var mutations = this.isMutable(id) ? this._mutations[id] : undefined;
	      return this._getComponentParamsWithMutation(id, mutations);
	    }
	    /**
	     * Register clone of components
	     *
	     * @param {String} sourceId
	     * @param {String|null} [id]
	     *
	     * @private
	     */

	  }, {
	    key: "_registerCloneComponent",
	    value: function _registerCloneComponent(sourceId) {
	      var _this4 = this;

	      var id = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
	      var components = [];

	      if (id) {
	        if (typeof this._clones[sourceId][id] !== 'undefined') {
	          components.push(this._clones[sourceId][id]);
	        }
	      } else {
	        for (var cloneId in this._clones[sourceId]) {
	          if (!this._clones[sourceId].hasOwnProperty(cloneId)) {
	            continue;
	          }

	          components.push(this._clones[sourceId][cloneId]);
	        }
	      }

	      components.forEach(function (element) {
	        var mutations = [];

	        if (typeof _this4._mutations[element.sourceId] !== 'undefined') {
	          mutations = mutations.concat(_this4._mutations[element.sourceId]);
	        }

	        mutations.push(element.mutations);

	        var componentParams = _this4._getComponentParamsWithMutation(element.sourceId, mutations);

	        if (!componentParams) {
	          return false;
	        }

	        _this4.component(element.id, componentParams);
	      });
	    }
	    /**
	     * Clone object without duplicate function for apply mutation
	     *
	     * @param objectParams
	     * @param mutation
	     * @param level
	     * @param previousParamName
	     * @private
	     */

	  }, {
	    key: "_cloneObjectWithoutDuplicateFunction",
	    value: function _cloneObjectWithoutDuplicateFunction() {
	      var objectParams = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
	      var mutation = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
	      var level = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
	      var previousParamName = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : '';
	      var object = {};

	      for (var param in objectParams) {
	        if (!objectParams.hasOwnProperty(param)) {
	          continue;
	        }

	        if (main_core.Type.isString(objectParams[param])) {
	          object[param] = objectParams[param];
	        } else if (main_core.Type.isArray(objectParams[param])) {
	          object[param] = [].concat(objectParams[param]);
	        } else if (main_core.Type.isObjectLike(objectParams[param])) {
	          if (previousParamName === 'watch' || previousParamName === 'props' || previousParamName === 'directives') {
	            object[param] = objectParams[param];
	          } else if (main_core.Type.isNull(objectParams[param])) {
	            object[param] = null;
	          } else if (main_core.Type.isObjectLike(mutation[param])) {
	            object[param] = this._cloneObjectWithoutDuplicateFunction(objectParams[param], mutation[param], level + 1, param);
	          } else {
	            object[param] = Object.assign({}, objectParams[param]);
	          }
	        } else if (main_core.Type.isFunction(objectParams[param])) {
	          if (!main_core.Type.isFunction(mutation[param])) {
	            object[param] = objectParams[param];
	          } else if (level > 1) {
	            if (previousParamName === 'watch') {
	              object[param] = objectParams[param];
	            } else {
	              object['parent' + param[0].toUpperCase() + param.substr(1)] = objectParams[param];
	            }
	          } else {
	            if (main_core.Type.isUndefined(object['methods'])) {
	              object['methods'] = {};
	            }

	            object['methods']['parent' + param[0].toUpperCase() + param.substr(1)] = objectParams[param];

	            if (main_core.Type.isUndefined(objectParams['methods'])) {
	              objectParams['methods'] = {};
	            }

	            objectParams['methods']['parent' + param[0].toUpperCase() + param.substr(1)] = objectParams[param];
	          }
	        } else if (!main_core.Type.isUndefined(objectParams[param])) {
	          object[param] = objectParams[param];
	        }
	      }

	      return object;
	    }
	    /**
	     * Apply mutation
	     *
	     * @param clonedObject
	     * @param mutation
	     * @param level
	     * @private
	     */

	  }, {
	    key: "_applyMutation",
	    value: function _applyMutation() {
	      var _this5 = this;

	      var clonedObject = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
	      var mutation = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
	      var level = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
	      var object = Object.assign({}, clonedObject);

	      var _loop2 = function _loop2(param) {
	        if (!mutation.hasOwnProperty(param)) {
	          return "continue";
	        }

	        if (level === 1 && (param === 'compilerOptions' || param === 'setup')) {
	          object[param] = mutation[param];
	        } else if (level === 1 && param === 'extends') {
	          object[param] = mutation[param];
	        } else if (main_core.Type.isString(mutation[param])) {
	          if (main_core.Type.isString(object[param])) {
	            object[param] = mutation[param].replace("#PARENT_".concat(param.toUpperCase(), "#"), object[param]);
	          } else {
	            object[param] = mutation[param].replace("#PARENT_".concat(param.toUpperCase(), "#"), '');
	          }
	        } else if (main_core.Type.isArray(mutation[param])) {
	          if (level === 1 && param === 'replaceMixins') {
	            object['mixins'] = [].concat(mutation[param]);
	          } else if (level === 1 && param === 'replaceInject') {
	            object['inject'] = [].concat(mutation[param]);
	          } else if (level === 1 && param === 'replaceEmits') {
	            object['emits'] = [].concat(mutation[param]);
	          } else if (level === 1 && param === 'replaceExpose') {
	            object['expose'] = [].concat(mutation[param]);
	          } else if (main_core.Type.isPlainObject(object[param])) {
	            mutation[param].forEach(function (element) {
	              return object[param][element] = null;
	            });
	          } else {
	            object[param] = object[param].concat(mutation[param]);
	          }
	        } else if (main_core.Type.isObjectLike(mutation[param])) {
	          if (level === 1 && param === 'props' && main_core.Type.isArray(object[param]) || level === 1 && param === 'emits' && main_core.Type.isArray(object[param])) {
	            var newObject = {};
	            object[param].forEach(function (element) {
	              newObject[element] = null;
	            });
	            object[param] = newObject;
	          }

	          if (level === 1 && param === 'watch') {
	            for (var paramName in object[param]) {
	              if (!object[param].hasOwnProperty(paramName)) {
	                continue;
	              }

	              if (paramName.includes('.')) {
	                continue;
	              }

	              if (main_core.Type.isFunction(object[param][paramName]) || main_core.Type.isObject(object[param][paramName]) && main_core.Type.isFunction(object[param][paramName]['handler'])) {
	                if (main_core.Type.isUndefined(object['methods'])) {
	                  object['methods'] = {};
	                }

	                var originNewFunctionName = 'parentWatch' + paramName[0].toUpperCase() + paramName.substr(1);

	                if (main_core.Type.isFunction(object[param][paramName])) {
	                  object['methods'][originNewFunctionName] = object[param][paramName];
	                } else {
	                  object['methods'][originNewFunctionName] = object[param][paramName]['handler'];
	                }
	              }
	            }
	          }

	          if (level === 1 && param === 'replaceEmits') {
	            object['emits'] = Object.assign({}, mutation[param]);
	          } else if (level === 1 && (param === 'components' || param === 'directives')) {
	            if (main_core.Type.isUndefined(object[param])) {
	              object[param] = {};
	            }

	            for (var objectName in mutation[param]) {
	              if (!mutation[param].hasOwnProperty(objectName)) {
	                continue;
	              }

	              var parentObjectName = objectName[0].toUpperCase() + objectName.substr(1);
	              parentObjectName = param === 'components' ? 'Parent' + parentObjectName : 'parent' + parentObjectName;
	              object[param][parentObjectName] = Object.assign({}, object[param][objectName]);

	              if (param === 'components') {
	                if (main_core.Type.isUndefined(mutation[param][objectName].components)) {
	                  mutation[param][objectName].components = {};
	                }

	                mutation[param][objectName].components = Object.assign(babelHelpers.defineProperty({}, parentObjectName, object[param][objectName]), mutation[param][objectName].components);
	              }

	              object[param][objectName] = mutation[param][objectName];
	            }
	          } else if (main_core.Type.isArray(object[param])) {
	            for (var mutationName in mutation[param]) {
	              if (!mutation[param].hasOwnProperty(mutationName)) {
	                continue;
	              }

	              object[param].push(mutationName);
	            }
	          } else if (main_core.Type.isObjectLike(object[param])) {
	            object[param] = _this5._applyMutation(object[param], mutation[param], level + 1);
	          } else {
	            object[param] = mutation[param];
	          }
	        } else {
	          object[param] = mutation[param];
	        }
	      };

	      for (var param in mutation) {
	        var _ret2 = _loop2(param);

	        if (_ret2 === "continue") continue;
	      }

	      return object;
	    }
	    /**
	     * @private
	     * @param text
	     */

	  }, {
	    key: "install",

	    /**
	     * @deprecated Special method for plugin registration
	     */
	    value: function install(app, options) {
	      app.mixin({
	        beforeCreate: function beforeCreate() {
	          if (typeof this.$root !== 'undefined') {
	            this.$bitrix = this.$root.$bitrix;
	          }
	        },
	        computed: {
	          $Bitrix: function $Bitrix() {
	            return this.$root.$bitrix;
	          }
	        },
	        mounted: function mounted() {
	          if (!main_core.Type.isNil(this.$root.$bitrixApplication)) {
	            BitrixVue.showNotice("Store reference in global variables (like: this.$bitrixApplication) is deprecated, use this.$Bitrix.Data.set(...) instead.");
	          }

	          if (!main_core.Type.isNil(this.$root.$bitrixController)) {
	            BitrixVue.showNotice("Store reference in global variables (like: this.$bitrixController) is deprecated, use this.$Bitrix.Data.set(...) instead.");
	          }

	          if (!main_core.Type.isNil(this.$root.$bitrixMessages)) {
	            BitrixVue.showNotice("Store localization in global variable this.$bitrixMessages is deprecated, use this.$Bitrix.Log.setMessage(...) instead.");
	          }

	          if (!main_core.Type.isNil(this.$root.$bitrixRestClient)) {
	            BitrixVue.showNotice("Working with a Rest-client through an old variable this.$bitrixRestClient is deprecated, use this.$Bitrix.RestClient.get() instead.");
	          }

	          if (!main_core.Type.isNil(this.$root.$bitrixPullClient)) {
	            BitrixVue.showNotice("Working with a Pull-client through an old variable this.$bitrixPullClient is deprecated, use this.$Bitrix.PullClient.get() instead.");
	          }
	        }
	      });
	    }
	  }], [{
	    key: "showNotice",
	    value: function showNotice(text) {
	      if (BitrixVue.developerMode) {
	        console.warn('BitrixVue: ' + text);
	      }
	    }
	  }]);
	  return BitrixVue;
	}();
	babelHelpers.defineProperty(BitrixVue, "developerMode", false);

	/*!
	 * Vue.js v2.6.14
	 * (c) 2014-2021 Evan You
	 * Released under the MIT License.
	 *
	 * @source: https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.esm.browser.js
	 */

	/**
	 * Modify list for integration with Bitrix Framework:
	 * - change default export to local for work in Bitrix CoreJS extensions;
	 */
	// origin-start
	var emptyObject = Object.freeze({}); // These helpers produce better VM code in JS engines due to their
	// explicitness and function inlining.

	function isUndef(v) {
	  return v === undefined || v === null;
	}

	function isDef(v) {
	  return v !== undefined && v !== null;
	}

	function isTrue(v) {
	  return v === true;
	}

	function isFalse(v) {
	  return v === false;
	}
	/**
	 * Check if value is primitive.
	 */


	function isPrimitive(value) {
	  return typeof value === 'string' || typeof value === 'number' || // $flow-disable-line
	  babelHelpers["typeof"](value) === 'symbol' || typeof value === 'boolean';
	}
	/**
	 * Quick object check - this is primarily used to tell
	 * Objects from primitive values when we know the value
	 * is a JSON-compliant type.
	 */


	function isObject(obj) {
	  return obj !== null && babelHelpers["typeof"](obj) === 'object';
	}
	/**
	 * Get the raw type string of a value, e.g., [object Object].
	 */


	var _toString = Object.prototype.toString;

	function toRawType(value) {
	  return _toString.call(value).slice(8, -1);
	}
	/**
	 * Strict object type check. Only returns true
	 * for plain JavaScript objects.
	 */


	function isPlainObject(obj) {
	  return _toString.call(obj) === '[object Object]';
	}

	function isRegExp(v) {
	  return _toString.call(v) === '[object RegExp]';
	}
	/**
	 * Check if val is a valid array index.
	 */


	function isValidArrayIndex(val) {
	  var n = parseFloat(String(val));
	  return n >= 0 && Math.floor(n) === n && isFinite(val);
	}

	function isPromise(val) {
	  return isDef(val) && typeof val.then === 'function' && typeof val["catch"] === 'function';
	}
	/**
	 * Convert a value to a string that is actually rendered.
	 */


	function toString(val) {
	  return val == null ? '' : Array.isArray(val) || isPlainObject(val) && val.toString === _toString ? JSON.stringify(val, null, 2) : String(val);
	}
	/**
	 * Convert an input value to a number for persistence.
	 * If the conversion fails, return original string.
	 */


	function toNumber(val) {
	  var n = parseFloat(val);
	  return isNaN(n) ? val : n;
	}
	/**
	 * Make a map and return a function for checking if a key
	 * is in that map.
	 */


	function makeMap(str, expectsLowerCase) {
	  var map = Object.create(null);
	  var list = str.split(',');

	  for (var i = 0; i < list.length; i++) {
	    map[list[i]] = true;
	  }

	  return expectsLowerCase ? function (val) {
	    return map[val.toLowerCase()];
	  } : function (val) {
	    return map[val];
	  };
	}
	/**
	 * Check if a tag is a built-in tag.
	 */


	var isBuiltInTag = makeMap('slot,component', true);
	/**
	 * Check if an attribute is a reserved attribute.
	 */

	var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
	/**
	 * Remove an item from an array.
	 */

	function remove(arr, item) {
	  if (arr.length) {
	    var _index = arr.indexOf(item);

	    if (_index > -1) {
	      return arr.splice(_index, 1);
	    }
	  }
	}
	/**
	 * Check whether an object has the property.
	 */


	var hasOwnProperty = Object.prototype.hasOwnProperty;

	function hasOwn(obj, key) {
	  return hasOwnProperty.call(obj, key);
	}
	/**
	 * Create a cached version of a pure function.
	 */


	function cached(fn) {
	  var cache = Object.create(null);
	  return function cachedFn(str) {
	    var hit = cache[str];
	    return hit || (cache[str] = fn(str));
	  };
	}
	/**
	 * Camelize a hyphen-delimited string.
	 */


	var camelizeRE = /-(\w)/g;
	var camelize = cached(function (str) {
	  return str.replace(camelizeRE, function (_, c) {
	    return c ? c.toUpperCase() : '';
	  });
	});
	/**
	 * Capitalize a string.
	 */

	var capitalize = cached(function (str) {
	  return str.charAt(0).toUpperCase() + str.slice(1);
	});
	/**
	 * Hyphenate a camelCase string.
	 */

	var hyphenateRE = /\B([A-Z])/g;
	var hyphenate = cached(function (str) {
	  return str.replace(hyphenateRE, '-$1').toLowerCase();
	});
	/**
	 * Simple bind polyfill for environments that do not support it,
	 * e.g., PhantomJS 1.x. Technically, we don't need this anymore
	 * since native bind is now performant enough in most browsers.
	 * But removing it would mean breaking code that was able to run in
	 * PhantomJS 1.x, so this must be kept for backward compatibility.
	 */

	/* istanbul ignore next */

	function polyfillBind(fn, ctx) {
	  function boundFn(a) {
	    var l = arguments.length;
	    return l ? l > 1 ? fn.apply(ctx, arguments) : fn.call(ctx, a) : fn.call(ctx);
	  }

	  boundFn._length = fn.length;
	  return boundFn;
	}

	function nativeBind(fn, ctx) {
	  return fn.bind(ctx);
	}

	var bind = Function.prototype.bind ? nativeBind : polyfillBind;
	/**
	 * Convert an Array-like object to a real Array.
	 */

	function toArray(list, start) {
	  start = start || 0;
	  var i = list.length - start;
	  var ret = new Array(i);

	  while (i--) {
	    ret[i] = list[i + start];
	  }

	  return ret;
	}
	/**
	 * Mix properties into target object.
	 */


	function extend(to, _from) {
	  for (var key in _from) {
	    to[key] = _from[key];
	  }

	  return to;
	}
	/**
	 * Merge an Array of Objects into a single Object.
	 */


	function toObject(arr) {
	  var res = {};

	  for (var i = 0; i < arr.length; i++) {
	    if (arr[i]) {
	      extend(res, arr[i]);
	    }
	  }

	  return res;
	}
	/* eslint-disable no-unused-vars */

	/**
	 * Perform no operation.
	 * Stubbing args to make Flow happy without leaving useless transpiled code
	 * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
	 */


	function noop(a, b, c) {}
	/**
	 * Always return false.
	 */


	var no = function no(a, b, c) {
	  return false;
	};
	/* eslint-enable no-unused-vars */

	/**
	 * Return the same value.
	 */


	var identity = function identity(_) {
	  return _;
	};
	/**
	 * Generate a string containing static keys from compiler modules.
	 */


	function genStaticKeys(modules) {
	  return modules.reduce(function (keys, m) {
	    return keys.concat(m.staticKeys || []);
	  }, []).join(',');
	}
	/**
	 * Check if two values are loosely equal - that is,
	 * if they are plain objects, do they have the same shape?
	 */


	function looseEqual(a, b) {
	  if (a === b) return true;
	  var isObjectA = isObject(a);
	  var isObjectB = isObject(b);

	  if (isObjectA && isObjectB) {
	    try {
	      var isArrayA = Array.isArray(a);
	      var isArrayB = Array.isArray(b);

	      if (isArrayA && isArrayB) {
	        return a.length === b.length && a.every(function (e, i) {
	          return looseEqual(e, b[i]);
	        });
	      } else if (a instanceof Date && b instanceof Date) {
	        return a.getTime() === b.getTime();
	      } else if (!isArrayA && !isArrayB) {
	        var keysA = Object.keys(a);
	        var keysB = Object.keys(b);
	        return keysA.length === keysB.length && keysA.every(function (key) {
	          return looseEqual(a[key], b[key]);
	        });
	      } else {
	        /* istanbul ignore next */
	        return false;
	      }
	    } catch (e) {
	      /* istanbul ignore next */
	      return false;
	    }
	  } else if (!isObjectA && !isObjectB) {
	    return String(a) === String(b);
	  } else {
	    return false;
	  }
	}
	/**
	 * Return the first index at which a loosely equal value can be
	 * found in the array (if value is a plain object, the array must
	 * contain an object of the same shape), or -1 if it is not present.
	 */


	function looseIndexOf(arr, val) {
	  for (var i = 0; i < arr.length; i++) {
	    if (looseEqual(arr[i], val)) return i;
	  }

	  return -1;
	}
	/**
	 * Ensure a function is called only once.
	 */


	function once(fn) {
	  var called = false;
	  return function () {
	    if (!called) {
	      called = true;
	      fn.apply(this, arguments);
	    }
	  };
	}

	var SSR_ATTR = 'data-server-rendered';
	var ASSET_TYPES = ['component', 'directive', 'filter'];
	var LIFECYCLE_HOOKS = ['beforeCreate', 'created', 'beforeMount', 'mounted', 'beforeUpdate', 'updated', 'beforeDestroy', 'destroyed', 'activated', 'deactivated', 'errorCaptured', 'serverPrefetch'];
	/*  */

	var config = {
	  /**
	   * Option merge strategies (used in core/util/options)
	   */
	  // $flow-disable-line
	  optionMergeStrategies: Object.create(null),

	  /**
	   * Whether to suppress warnings.
	   */
	  silent: false,

	  /**
	   * Show production mode tip message on boot?
	   */
	  productionTip: "development" !== 'production',

	  /**
	   * Whether to enable devtools
	   */
	  devtools: "development" !== 'production',

	  /**
	   * Whether to record perf
	   */
	  performance: false,

	  /**
	   * Error handler for watcher errors
	   */
	  errorHandler: null,

	  /**
	   * Warn handler for watcher warns
	   */
	  warnHandler: null,

	  /**
	   * Ignore certain custom elements
	   */
	  ignoredElements: [],

	  /**
	   * Custom user key aliases for v-on
	   */
	  // $flow-disable-line
	  keyCodes: Object.create(null),

	  /**
	   * Check if a tag is reserved so that it cannot be registered as a
	   * component. This is platform-dependent and may be overwritten.
	   */
	  isReservedTag: no,

	  /**
	   * Check if an attribute is reserved so that it cannot be used as a component
	   * prop. This is platform-dependent and may be overwritten.
	   */
	  isReservedAttr: no,

	  /**
	   * Check if a tag is an unknown element.
	   * Platform-dependent.
	   */
	  isUnknownElement: no,

	  /**
	   * Get the namespace of an element
	   */
	  getTagNamespace: noop,

	  /**
	   * Parse the real tag name for the specific platform.
	   */
	  parsePlatformTagName: identity,

	  /**
	   * Check if an attribute must be bound using property, e.g. value
	   * Platform-dependent.
	   */
	  mustUseProp: no,

	  /**
	   * Perform updates asynchronously. Intended to be used by Vue Test Utils
	   * This will significantly reduce performance if set to false.
	   */
	  async: true,

	  /**
	   * Exposed for legacy reasons
	   */
	  _lifecycleHooks: LIFECYCLE_HOOKS
	};
	/*  */

	/**
	 * unicode letters used for parsing html tags, component names and property paths.
	 * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
	 * skipping \u10000-\uEFFFF due to it freezing up PhantomJS
	 */

	var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;
	/**
	 * Check if a string starts with $ or _
	 */

	function isReserved(str) {
	  var c = (str + '').charCodeAt(0);
	  return c === 0x24 || c === 0x5F;
	}
	/**
	 * Define a property.
	 */


	function def(obj, key, val, enumerable) {
	  Object.defineProperty(obj, key, {
	    value: val,
	    enumerable: !!enumerable,
	    writable: true,
	    configurable: true
	  });
	}
	/**
	 * Parse simple path.
	 */


	var bailRE = new RegExp("[^".concat(unicodeRegExp.source, ".$_\\d]"));

	function parsePath(path) {
	  if (bailRE.test(path)) {
	    return;
	  }

	  var segments = path.split('.');
	  return function (obj) {
	    for (var i = 0; i < segments.length; i++) {
	      if (!obj) return;
	      obj = obj[segments[i]];
	    }

	    return obj;
	  };
	}
	/*  */
	// can we use __proto__?


	var hasProto = ('__proto__' in {}); // Browser environment sniffing

	var inBrowser = typeof window !== 'undefined';
	var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
	var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
	var UA = inBrowser && window.navigator.userAgent.toLowerCase();
	var isIE = UA && /msie|trident/.test(UA);
	var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
	var isEdge = UA && UA.indexOf('edge/') > 0;
	var isAndroid = UA && UA.indexOf('android') > 0 || weexPlatform === 'android';
	var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA) || weexPlatform === 'ios';
	var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
	var isPhantomJS = UA && /phantomjs/.test(UA);
	var isFF = UA && UA.match(/firefox\/(\d+)/); // Firefox has a "watch" function on Object.prototype...

	var nativeWatch = {}.watch;
	var supportsPassive = false;

	if (inBrowser) {
	  try {
	    var opts = {};
	    Object.defineProperty(opts, 'passive', {
	      get: function get() {
	        /* istanbul ignore next */
	        supportsPassive = true;
	      }
	    }); // https://github.com/facebook/flow/issues/285

	    window.addEventListener('test-passive', null, opts);
	  } catch (e) {}
	} // this needs to be lazy-evaled because vue may be required before
	// vue-server-renderer can set VUE_ENV


	var _isServer;

	var isServerRendering = function isServerRendering() {
	  if (_isServer === undefined) {
	    /* istanbul ignore if */
	    if (!inBrowser && !inWeex && typeof global !== 'undefined') {
	      // detect presence of vue-server-renderer and avoid
	      // Webpack shimming the process
	      _isServer = global['process'] && global['process'].env.VUE_ENV === 'server';
	    } else {
	      _isServer = false;
	    }
	  }

	  return _isServer;
	}; // detect devtools


	var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
	/* istanbul ignore next */

	function isNative(Ctor) {
	  return typeof Ctor === 'function' && /native code/.test(Ctor.toString());
	}

	var hasSymbol = typeof Symbol !== 'undefined' && isNative(Symbol) && typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);

	var _Set;
	/* istanbul ignore if */
	// $flow-disable-line


	if (typeof Set !== 'undefined' && isNative(Set)) {
	  // use native Set when available.
	  _Set = Set;
	} else {
	  // a non-standard Set polyfill that only works with primitive keys.
	  _Set = /*#__PURE__*/function () {
	    function Set() {
	      babelHelpers.classCallCheck(this, Set);
	      this.set = Object.create(null);
	    }

	    babelHelpers.createClass(Set, [{
	      key: "has",
	      value: function has(key) {
	        return this.set[key] === true;
	      }
	    }, {
	      key: "add",
	      value: function add(key) {
	        this.set[key] = true;
	      }
	    }, {
	      key: "clear",
	      value: function clear() {
	        this.set = Object.create(null);
	      }
	    }]);
	    return Set;
	  }();
	}
	/*  */


	var warn = noop;
	var tip = noop;
	var generateComponentTrace = noop; // work around flow check

	var formatComponentName = noop;
	{
	  var hasConsole = typeof console !== 'undefined';
	  var classifyRE = /(?:^|[-_])(\w)/g;

	  var classify = function classify(str) {
	    return str.replace(classifyRE, function (c) {
	      return c.toUpperCase();
	    }).replace(/[-_]/g, '');
	  };

	  warn = function warn(msg, vm) {
	    var trace = vm ? generateComponentTrace(vm) : '';

	    if (config.warnHandler) {
	      config.warnHandler.call(null, msg, vm, trace);
	    } else if (hasConsole && !config.silent) {
	      console.error("[Vue warn]: ".concat(msg).concat(trace));
	    }
	  };

	  tip = function tip(msg, vm) {
	    if (hasConsole && !config.silent) {
	      console.warn("[Vue tip]: ".concat(msg) + (vm ? generateComponentTrace(vm) : ''));
	    }
	  };

	  formatComponentName = function formatComponentName(vm, includeFile) {
	    if (vm.$root === vm) {
	      return '<Root>';
	    }

	    var options = typeof vm === 'function' && vm.cid != null ? vm.options : vm._isVue ? vm.$options || vm.constructor.options : vm;
	    var name = options.name || options._componentTag;
	    var file = options.__file;

	    if (!name && file) {
	      var match = file.match(/([^/\\]+)\.vue$/);
	      name = match && match[1];
	    }

	    return (name ? "<".concat(classify(name), ">") : "<Anonymous>") + (file && includeFile !== false ? " at ".concat(file) : '');
	  };

	  var _repeat = function _repeat(str, n) {
	    var res = '';

	    while (n) {
	      if (n % 2 === 1) res += str;
	      if (n > 1) str += str;
	      n >>= 1;
	    }

	    return res;
	  };

	  generateComponentTrace = function generateComponentTrace(vm) {
	    if (vm._isVue && vm.$parent) {
	      var tree = [];
	      var currentRecursiveSequence = 0;

	      while (vm) {
	        if (tree.length > 0) {
	          var last = tree[tree.length - 1];

	          if (last.constructor === vm.constructor) {
	            currentRecursiveSequence++;
	            vm = vm.$parent;
	            continue;
	          } else if (currentRecursiveSequence > 0) {
	            tree[tree.length - 1] = [last, currentRecursiveSequence];
	            currentRecursiveSequence = 0;
	          }
	        }

	        tree.push(vm);
	        vm = vm.$parent;
	      }

	      return '\n\nfound in\n\n' + tree.map(function (vm, i) {
	        return "".concat(i === 0 ? '---> ' : _repeat(' ', 5 + i * 2)).concat(Array.isArray(vm) ? "".concat(formatComponentName(vm[0]), "... (").concat(vm[1], " recursive calls)") : formatComponentName(vm));
	      }).join('\n');
	    } else {
	      return "\n\n(found in ".concat(formatComponentName(vm), ")");
	    }
	  };
	}
	/*  */

	var uid = 0;
	/**
	 * A dep is an observable that can have multiple
	 * directives subscribing to it.
	 */

	var Dep = /*#__PURE__*/function () {
	  function Dep() {
	    babelHelpers.classCallCheck(this, Dep);
	    this.id = uid++;
	    this.subs = [];
	  }

	  babelHelpers.createClass(Dep, [{
	    key: "addSub",
	    value: function addSub(sub) {
	      this.subs.push(sub);
	    }
	  }, {
	    key: "removeSub",
	    value: function removeSub(sub) {
	      remove(this.subs, sub);
	    }
	  }, {
	    key: "depend",
	    value: function depend() {
	      if (Dep.target) {
	        Dep.target.addDep(this);
	      }
	    }
	  }, {
	    key: "notify",
	    value: function notify() {
	      // stabilize the subscriber list first
	      var subs = this.subs.slice();

	      if (!config.async) {
	        // subs aren't sorted in scheduler if not running async
	        // we need to sort them now to make sure they fire in correct
	        // order
	        subs.sort(function (a, b) {
	          return a.id - b.id;
	        });
	      }

	      for (var i = 0, l = subs.length; i < l; i++) {
	        subs[i].update();
	      }
	    }
	  }]);
	  return Dep;
	}(); // The current target watcher being evaluated.
	// This is globally unique because only one watcher
	// can be evaluated at a time.


	Dep.target = null;
	var targetStack = [];

	function pushTarget(target) {
	  targetStack.push(target);
	  Dep.target = target;
	}

	function popTarget() {
	  targetStack.pop();
	  Dep.target = targetStack[targetStack.length - 1];
	}
	/*  */


	var VNode = /*#__PURE__*/function () {
	  // rendered in this component's scope
	  // component instance
	  // component placeholder node
	  // strictly internal
	  // contains raw HTML? (server only)
	  // hoisted static node
	  // necessary for enter transition check
	  // empty comment placeholder?
	  // is a cloned node?
	  // is a v-once node?
	  // async component factory function
	  // real context vm for functional nodes
	  // for SSR caching
	  // used to store functional render context for devtools
	  // functional scope id support
	  function VNode(tag, data, children, text, elm, context, componentOptions, asyncFactory) {
	    babelHelpers.classCallCheck(this, VNode);
	    this.tag = tag;
	    this.data = data;
	    this.children = children;
	    this.text = text;
	    this.elm = elm;
	    this.ns = undefined;
	    this.context = context;
	    this.fnContext = undefined;
	    this.fnOptions = undefined;
	    this.fnScopeId = undefined;
	    this.key = data && data.key;
	    this.componentOptions = componentOptions;
	    this.componentInstance = undefined;
	    this.parent = undefined;
	    this.raw = false;
	    this.isStatic = false;
	    this.isRootInsert = true;
	    this.isComment = false;
	    this.isCloned = false;
	    this.isOnce = false;
	    this.asyncFactory = asyncFactory;
	    this.asyncMeta = undefined;
	    this.isAsyncPlaceholder = false;
	  } // DEPRECATED: alias for componentInstance for backwards compat.

	  /* istanbul ignore next */


	  babelHelpers.createClass(VNode, [{
	    key: "child",
	    get: function get() {
	      return this.componentInstance;
	    }
	  }]);
	  return VNode;
	}();

	var createEmptyVNode = function createEmptyVNode() {
	  var text = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
	  var node = new VNode();
	  node.text = text;
	  node.isComment = true;
	  return node;
	};

	function createTextVNode(val) {
	  return new VNode(undefined, undefined, undefined, String(val));
	} // optimized shallow clone
	// used for static nodes and slot nodes because they may be reused across
	// multiple renders, cloning them avoids errors when DOM manipulations rely
	// on their elm reference.


	function cloneVNode(vnode) {
	  var cloned = new VNode(vnode.tag, vnode.data, // #7975
	  // clone children array to avoid mutating original in case of cloning
	  // a child.
	  vnode.children && vnode.children.slice(), vnode.text, vnode.elm, vnode.context, vnode.componentOptions, vnode.asyncFactory);
	  cloned.ns = vnode.ns;
	  cloned.isStatic = vnode.isStatic;
	  cloned.key = vnode.key;
	  cloned.isComment = vnode.isComment;
	  cloned.fnContext = vnode.fnContext;
	  cloned.fnOptions = vnode.fnOptions;
	  cloned.fnScopeId = vnode.fnScopeId;
	  cloned.asyncMeta = vnode.asyncMeta;
	  cloned.isCloned = true;
	  return cloned;
	}
	/*
	 * not type checking this file because flow doesn't play well with
	 * dynamically accessing methods on Array prototype
	 */


	var arrayProto = Array.prototype;
	var arrayMethods = Object.create(arrayProto);
	var methodsToPatch = ['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'];
	/**
	 * Intercept mutating methods and emit events
	 */

	methodsToPatch.forEach(function (method) {
	  // cache original method
	  var original = arrayProto[method];
	  def(arrayMethods, method, function mutator() {
	    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
	      args[_key] = arguments[_key];
	    }

	    var result = original.apply(this, args);
	    var ob = this.__ob__;
	    var inserted;

	    switch (method) {
	      case 'push':
	      case 'unshift':
	        inserted = args;
	        break;

	      case 'splice':
	        inserted = args.slice(2);
	        break;
	    }

	    if (inserted) ob.observeArray(inserted); // notify change

	    ob.dep.notify();
	    return result;
	  });
	});
	/*  */

	var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
	/**
	 * In some cases we may want to disable observation inside a component's
	 * update computation.
	 */

	var shouldObserve = true;

	function toggleObserving(value) {
	  shouldObserve = value;
	}
	/**
	 * Observer class that is attached to each observed
	 * object. Once attached, the observer converts the target
	 * object's property keys into getter/setters that
	 * collect dependencies and dispatch updates.
	 */


	var Observer = /*#__PURE__*/function () {
	  // number of vms that have this object as root $data
	  function Observer(value) {
	    babelHelpers.classCallCheck(this, Observer);
	    this.value = value;
	    this.dep = new Dep();
	    this.vmCount = 0;
	    def(value, '__ob__', this);

	    if (Array.isArray(value)) {
	      if (hasProto) {
	        protoAugment(value, arrayMethods);
	      } else {
	        copyAugment(value, arrayMethods, arrayKeys);
	      }

	      this.observeArray(value);
	    } else {
	      this.walk(value);
	    }
	  }
	  /**
	   * Walk through all properties and convert them into
	   * getter/setters. This method should only be called when
	   * value type is Object.
	   */


	  babelHelpers.createClass(Observer, [{
	    key: "walk",
	    value: function walk(obj) {
	      var keys = Object.keys(obj);

	      for (var i = 0; i < keys.length; i++) {
	        defineReactive$$1(obj, keys[i]);
	      }
	    }
	    /**
	     * Observe a list of Array items.
	     */

	  }, {
	    key: "observeArray",
	    value: function observeArray(items) {
	      for (var i = 0, l = items.length; i < l; i++) {
	        observe(items[i]);
	      }
	    }
	  }]);
	  return Observer;
	}(); // helpers

	/**
	 * Augment a target Object or Array by intercepting
	 * the prototype chain using __proto__
	 */


	function protoAugment(target, src) {
	  /* eslint-disable no-proto */
	  target.__proto__ = src;
	  /* eslint-enable no-proto */
	}
	/**
	 * Augment a target Object or Array by defining
	 * hidden properties.
	 */

	/* istanbul ignore next */


	function copyAugment(target, src, keys) {
	  for (var i = 0, l = keys.length; i < l; i++) {
	    var key = keys[i];
	    def(target, key, src[key]);
	  }
	}
	/**
	 * Attempt to create an observer instance for a value,
	 * returns the new observer if successfully observed,
	 * or the existing observer if the value already has one.
	 */


	function observe(value, asRootData) {
	  if (!isObject(value) || value instanceof VNode) {
	    return;
	  }

	  var ob;

	  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
	    ob = value.__ob__;
	  } else if (shouldObserve && !isServerRendering() && (Array.isArray(value) || isPlainObject(value)) && Object.isExtensible(value) && !value._isVue) {
	    ob = new Observer(value);
	  }

	  if (asRootData && ob) {
	    ob.vmCount++;
	  }

	  return ob;
	}
	/**
	 * Define a reactive property on an Object.
	 */


	function defineReactive$$1(obj, key, val, customSetter, shallow) {
	  var dep = new Dep();
	  var property = Object.getOwnPropertyDescriptor(obj, key);

	  if (property && property.configurable === false) {
	    return;
	  } // cater for pre-defined getter/setters


	  var getter = property && property.get;
	  var setter = property && property.set;

	  if ((!getter || setter) && arguments.length === 2) {
	    val = obj[key];
	  }

	  var childOb = !shallow && observe(val);
	  Object.defineProperty(obj, key, {
	    enumerable: true,
	    configurable: true,
	    get: function reactiveGetter() {
	      var value = getter ? getter.call(obj) : val;

	      if (Dep.target) {
	        dep.depend();

	        if (childOb) {
	          childOb.dep.depend();

	          if (Array.isArray(value)) {
	            dependArray(value);
	          }
	        }
	      }

	      return value;
	    },
	    set: function reactiveSetter(newVal) {
	      var value = getter ? getter.call(obj) : val;
	      /* eslint-disable no-self-compare */

	      if (newVal === value || newVal !== newVal && value !== value) {
	        return;
	      }
	      /* eslint-enable no-self-compare */


	      if (customSetter) {
	        customSetter();
	      } // #7981: for accessor properties without setter


	      if (getter && !setter) return;

	      if (setter) {
	        setter.call(obj, newVal);
	      } else {
	        val = newVal;
	      }

	      childOb = !shallow && observe(newVal);
	      dep.notify();
	    }
	  });
	}
	/**
	 * Set a property on an object. Adds the new property and
	 * triggers change notification if the property doesn't
	 * already exist.
	 */


	function set(target, key, val) {
	  if (isUndef(target) || isPrimitive(target)) {
	    warn("Cannot set reactive property on undefined, null, or primitive value: ".concat(target));
	  }

	  if (Array.isArray(target) && isValidArrayIndex(key)) {
	    target.length = Math.max(target.length, key);
	    target.splice(key, 1, val);
	    return val;
	  }

	  if (key in target && !(key in Object.prototype)) {
	    target[key] = val;
	    return val;
	  }

	  var ob = target.__ob__;

	  if (target._isVue || ob && ob.vmCount) {
	    warn('Avoid adding reactive properties to a Vue instance or its root $data ' + 'at runtime - declare it upfront in the data option.');
	    return val;
	  }

	  if (!ob) {
	    target[key] = val;
	    return val;
	  }

	  defineReactive$$1(ob.value, key, val);
	  ob.dep.notify();
	  return val;
	}
	/**
	 * Delete a property and trigger change if necessary.
	 */


	function del(target, key) {
	  if (isUndef(target) || isPrimitive(target)) {
	    warn("Cannot delete reactive property on undefined, null, or primitive value: ".concat(target));
	  }

	  if (Array.isArray(target) && isValidArrayIndex(key)) {
	    target.splice(key, 1);
	    return;
	  }

	  var ob = target.__ob__;

	  if (target._isVue || ob && ob.vmCount) {
	    warn('Avoid deleting properties on a Vue instance or its root $data ' + '- just set it to null.');
	    return;
	  }

	  if (!hasOwn(target, key)) {
	    return;
	  }

	  delete target[key];

	  if (!ob) {
	    return;
	  }

	  ob.dep.notify();
	}
	/**
	 * Collect dependencies on array elements when the array is touched, since
	 * we cannot intercept array element access like property getters.
	 */


	function dependArray(value) {
	  for (var e, i = 0, l = value.length; i < l; i++) {
	    e = value[i];
	    e && e.__ob__ && e.__ob__.dep.depend();

	    if (Array.isArray(e)) {
	      dependArray(e);
	    }
	  }
	}
	/*  */

	/**
	 * Option overwriting strategies are functions that handle
	 * how to merge a parent option value and a child option
	 * value into the final value.
	 */


	var strats = config.optionMergeStrategies;
	/**
	 * Options with restrictions
	 */

	{
	  strats.el = strats.propsData = function (parent, child, vm, key) {
	    if (!vm) {
	      warn("option \"".concat(key, "\" can only be used during instance ") + 'creation with the `new` keyword.');
	    }

	    return defaultStrat(parent, child);
	  };
	}
	/**
	 * Helper that recursively merges two data objects together.
	 */

	function mergeData(to, from) {
	  if (!from) return to;
	  var key, toVal, fromVal;
	  var keys = hasSymbol ? Reflect.ownKeys(from) : Object.keys(from);

	  for (var i = 0; i < keys.length; i++) {
	    key = keys[i]; // in case the object is already observed...

	    if (key === '__ob__') continue;
	    toVal = to[key];
	    fromVal = from[key];

	    if (!hasOwn(to, key)) {
	      set(to, key, fromVal);
	    } else if (toVal !== fromVal && isPlainObject(toVal) && isPlainObject(fromVal)) {
	      mergeData(toVal, fromVal);
	    }
	  }

	  return to;
	}
	/**
	 * Data
	 */


	function mergeDataOrFn(parentVal, childVal, vm) {
	  if (!vm) {
	    // in a Vue.extend merge, both should be functions
	    if (!childVal) {
	      return parentVal;
	    }

	    if (!parentVal) {
	      return childVal;
	    } // when parentVal & childVal are both present,
	    // we need to return a function that returns the
	    // merged result of both functions... no need to
	    // check if parentVal is a function here because
	    // it has to be a function to pass previous merges.


	    return function mergedDataFn() {
	      return mergeData(typeof childVal === 'function' ? childVal.call(this, this) : childVal, typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal);
	    };
	  } else {
	    return function mergedInstanceDataFn() {
	      // instance merge
	      var instanceData = typeof childVal === 'function' ? childVal.call(vm, vm) : childVal;
	      var defaultData = typeof parentVal === 'function' ? parentVal.call(vm, vm) : parentVal;

	      if (instanceData) {
	        return mergeData(instanceData, defaultData);
	      } else {
	        return defaultData;
	      }
	    };
	  }
	}

	strats.data = function (parentVal, childVal, vm) {
	  if (!vm) {
	    if (childVal && typeof childVal !== 'function') {
	      warn('The "data" option should be a function ' + 'that returns a per-instance value in component ' + 'definitions.', vm);
	      return parentVal;
	    }

	    return mergeDataOrFn(parentVal, childVal);
	  }

	  return mergeDataOrFn(parentVal, childVal, vm);
	};
	/**
	 * Hooks and props are merged as arrays.
	 */


	function mergeHook(parentVal, childVal) {
	  var res = childVal ? parentVal ? parentVal.concat(childVal) : Array.isArray(childVal) ? childVal : [childVal] : parentVal;
	  return res ? dedupeHooks(res) : res;
	}

	function dedupeHooks(hooks) {
	  var res = [];

	  for (var i = 0; i < hooks.length; i++) {
	    if (res.indexOf(hooks[i]) === -1) {
	      res.push(hooks[i]);
	    }
	  }

	  return res;
	}

	LIFECYCLE_HOOKS.forEach(function (hook) {
	  strats[hook] = mergeHook;
	});
	/**
	 * Assets
	 *
	 * When a vm is present (instance creation), we need to do
	 * a three-way merge between constructor options, instance
	 * options and parent options.
	 */

	function mergeAssets(parentVal, childVal, vm, key) {
	  var res = Object.create(parentVal || null);

	  if (childVal) {
	    assertObjectType(key, childVal, vm);
	    return extend(res, childVal);
	  } else {
	    return res;
	  }
	}

	ASSET_TYPES.forEach(function (type) {
	  strats[type + 's'] = mergeAssets;
	});
	/**
	 * Watchers.
	 *
	 * Watchers hashes should not overwrite one
	 * another, so we merge them as arrays.
	 */

	strats.watch = function (parentVal, childVal, vm, key) {
	  // work around Firefox's Object.prototype.watch...
	  if (parentVal === nativeWatch) parentVal = undefined;
	  if (childVal === nativeWatch) childVal = undefined;
	  /* istanbul ignore if */

	  if (!childVal) return Object.create(parentVal || null);
	  {
	    assertObjectType(key, childVal, vm);
	  }
	  if (!parentVal) return childVal;
	  var ret = {};
	  extend(ret, parentVal);

	  for (var _key2 in childVal) {
	    var parent = ret[_key2];
	    var child = childVal[_key2];

	    if (parent && !Array.isArray(parent)) {
	      parent = [parent];
	    }

	    ret[_key2] = parent ? parent.concat(child) : Array.isArray(child) ? child : [child];
	  }

	  return ret;
	};
	/**
	 * Other object hashes.
	 */


	strats.props = strats.methods = strats.inject = strats.computed = function (parentVal, childVal, vm, key) {
	  if (childVal && "development" !== 'production') {
	    assertObjectType(key, childVal, vm);
	  }

	  if (!parentVal) return childVal;
	  var ret = Object.create(null);
	  extend(ret, parentVal);
	  if (childVal) extend(ret, childVal);
	  return ret;
	};

	strats.provide = mergeDataOrFn;
	/**
	 * Default strategy.
	 */

	var defaultStrat = function defaultStrat(parentVal, childVal) {
	  return childVal === undefined ? parentVal : childVal;
	};
	/**
	 * Validate component names
	 */


	function checkComponents(options) {
	  for (var key in options.components) {
	    validateComponentName(key);
	  }
	}

	function validateComponentName(name) {
	  if (!new RegExp("^[a-zA-Z][\\-\\.0-9_".concat(unicodeRegExp.source, "]*$")).test(name)) {
	    warn('Invalid component name: "' + name + '". Component names ' + 'should conform to valid custom element name in html5 specification.');
	  }

	  if (isBuiltInTag(name) || config.isReservedTag(name)) {
	    warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + name);
	  }
	}
	/**
	 * Ensure all props option syntax are normalized into the
	 * Object-based format.
	 */


	function normalizeProps(options, vm) {
	  var props = options.props;
	  if (!props) return;
	  var res = {};
	  var i, val, name;

	  if (Array.isArray(props)) {
	    i = props.length;

	    while (i--) {
	      val = props[i];

	      if (typeof val === 'string') {
	        name = camelize(val);
	        res[name] = {
	          type: null
	        };
	      } else {
	        warn('props must be strings when using array syntax.');
	      }
	    }
	  } else if (isPlainObject(props)) {
	    for (var key in props) {
	      val = props[key];
	      name = camelize(key);
	      res[name] = isPlainObject(val) ? val : {
	        type: val
	      };
	    }
	  } else {
	    warn("Invalid value for option \"props\": expected an Array or an Object, " + "but got ".concat(toRawType(props), "."), vm);
	  }

	  options.props = res;
	}
	/**
	 * Normalize all injections into Object-based format
	 */


	function normalizeInject(options, vm) {
	  var inject = options.inject;
	  if (!inject) return;
	  var normalized = options.inject = {};

	  if (Array.isArray(inject)) {
	    for (var i = 0; i < inject.length; i++) {
	      normalized[inject[i]] = {
	        from: inject[i]
	      };
	    }
	  } else if (isPlainObject(inject)) {
	    for (var key in inject) {
	      var val = inject[key];
	      normalized[key] = isPlainObject(val) ? extend({
	        from: key
	      }, val) : {
	        from: val
	      };
	    }
	  } else {
	    warn("Invalid value for option \"inject\": expected an Array or an Object, " + "but got ".concat(toRawType(inject), "."), vm);
	  }
	}
	/**
	 * Normalize raw function directives into object format.
	 */


	function normalizeDirectives(options) {
	  var dirs = options.directives;

	  if (dirs) {
	    for (var key in dirs) {
	      var def$$1 = dirs[key];

	      if (typeof def$$1 === 'function') {
	        dirs[key] = {
	          bind: def$$1,
	          update: def$$1
	        };
	      }
	    }
	  }
	}

	function assertObjectType(name, value, vm) {
	  if (!isPlainObject(value)) {
	    warn("Invalid value for option \"".concat(name, "\": expected an Object, ") + "but got ".concat(toRawType(value), "."), vm);
	  }
	}
	/**
	 * Merge two option objects into a new one.
	 * Core utility used in both instantiation and inheritance.
	 */


	function mergeOptions(parent, child, vm) {
	  {
	    checkComponents(child);
	  }

	  if (typeof child === 'function') {
	    child = child.options;
	  }

	  normalizeProps(child, vm);
	  normalizeInject(child, vm);
	  normalizeDirectives(child); // Apply extends and mixins on the child options,
	  // but only if it is a raw options object that isn't
	  // the result of another mergeOptions call.
	  // Only merged options has the _base property.

	  if (!child._base) {
	    if (child["extends"]) {
	      parent = mergeOptions(parent, child["extends"], vm);
	    }

	    if (child.mixins) {
	      for (var i = 0, l = child.mixins.length; i < l; i++) {
	        parent = mergeOptions(parent, child.mixins[i], vm);
	      }
	    }
	  }

	  var options = {};
	  var key;

	  for (key in parent) {
	    mergeField(key);
	  }

	  for (key in child) {
	    if (!hasOwn(parent, key)) {
	      mergeField(key);
	    }
	  }

	  function mergeField(key) {
	    var strat = strats[key] || defaultStrat;
	    options[key] = strat(parent[key], child[key], vm, key);
	  }

	  return options;
	}
	/**
	 * Resolve an asset.
	 * This function is used because child instances need access
	 * to assets defined in its ancestor chain.
	 */


	function resolveAsset(options, type, id, warnMissing) {
	  /* istanbul ignore if */
	  if (typeof id !== 'string') {
	    return;
	  }

	  var assets = options[type]; // check local registration variations first

	  if (hasOwn(assets, id)) return assets[id];
	  var camelizedId = camelize(id);
	  if (hasOwn(assets, camelizedId)) return assets[camelizedId];
	  var PascalCaseId = capitalize(camelizedId);
	  if (hasOwn(assets, PascalCaseId)) return assets[PascalCaseId]; // fallback to prototype chain

	  var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];

	  if (warnMissing && !res) {
	    warn('Failed to resolve ' + type.slice(0, -1) + ': ' + id, options);
	  }

	  return res;
	}
	/*  */


	function validateProp(key, propOptions, propsData, vm) {
	  var prop = propOptions[key];
	  var absent = !hasOwn(propsData, key);
	  var value = propsData[key]; // boolean casting

	  var booleanIndex = getTypeIndex(Boolean, prop.type);

	  if (booleanIndex > -1) {
	    if (absent && !hasOwn(prop, 'default')) {
	      value = false;
	    } else if (value === '' || value === hyphenate(key)) {
	      // only cast empty string / same name to boolean if
	      // boolean has higher priority
	      var stringIndex = getTypeIndex(String, prop.type);

	      if (stringIndex < 0 || booleanIndex < stringIndex) {
	        value = true;
	      }
	    }
	  } // check default value


	  if (value === undefined) {
	    value = getPropDefaultValue(vm, prop, key); // since the default value is a fresh copy,
	    // make sure to observe it.

	    var prevShouldObserve = shouldObserve;
	    toggleObserving(true);
	    observe(value);
	    toggleObserving(prevShouldObserve);
	  }

	  {
	    assertProp(prop, key, value, vm, absent);
	  }
	  return value;
	}
	/**
	 * Get the default value of a prop.
	 */


	function getPropDefaultValue(vm, prop, key) {
	  // no default, return undefined
	  if (!hasOwn(prop, 'default')) {
	    return undefined;
	  }

	  var def = prop["default"]; // warn against non-factory defaults for Object & Array

	  if (isObject(def)) {
	    warn('Invalid default value for prop "' + key + '": ' + 'Props with type Object/Array must use a factory function ' + 'to return the default value.', vm);
	  } // the raw prop value was also undefined from previous render,
	  // return previous default value to avoid unnecessary watcher trigger


	  if (vm && vm.$options.propsData && vm.$options.propsData[key] === undefined && vm._props[key] !== undefined) {
	    return vm._props[key];
	  } // call factory function for non-Function types
	  // a value is Function if its prototype is function even across different execution context


	  return typeof def === 'function' && getType(prop.type) !== 'Function' ? def.call(vm) : def;
	}
	/**
	 * Assert whether a prop is valid.
	 */


	function assertProp(prop, name, value, vm, absent) {
	  if (prop.required && absent) {
	    warn('Missing required prop: "' + name + '"', vm);
	    return;
	  }

	  if (value == null && !prop.required) {
	    return;
	  }

	  var type = prop.type;
	  var valid = !type || type === true;
	  var expectedTypes = [];

	  if (type) {
	    if (!Array.isArray(type)) {
	      type = [type];
	    }

	    for (var i = 0; i < type.length && !valid; i++) {
	      var assertedType = assertType(value, type[i], vm);
	      expectedTypes.push(assertedType.expectedType || '');
	      valid = assertedType.valid;
	    }
	  }

	  var haveExpectedTypes = expectedTypes.some(function (t) {
	    return t;
	  });

	  if (!valid && haveExpectedTypes) {
	    warn(getInvalidTypeMessage(name, value, expectedTypes), vm);
	    return;
	  }

	  var validator = prop.validator;

	  if (validator) {
	    if (!validator(value)) {
	      warn('Invalid prop: custom validator check failed for prop "' + name + '".', vm);
	    }
	  }
	}

	var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol|BigInt)$/;

	function assertType(value, type, vm) {
	  var valid;
	  var expectedType = getType(type);

	  if (simpleCheckRE.test(expectedType)) {
	    var t = babelHelpers["typeof"](value);
	    valid = t === expectedType.toLowerCase(); // for primitive wrapper objects

	    if (!valid && t === 'object') {
	      valid = value instanceof type;
	    }
	  } else if (expectedType === 'Object') {
	    valid = isPlainObject(value);
	  } else if (expectedType === 'Array') {
	    valid = Array.isArray(value);
	  } else {
	    try {
	      valid = value instanceof type;
	    } catch (e) {
	      warn('Invalid prop type: "' + String(type) + '" is not a constructor', vm);
	      valid = false;
	    }
	  }

	  return {
	    valid: valid,
	    expectedType: expectedType
	  };
	}

	var functionTypeCheckRE = /^\s*function (\w+)/;
	/**
	 * Use function string name to check built-in types,
	 * because a simple equality check will fail when running
	 * across different vms / iframes.
	 */

	function getType(fn) {
	  var match = fn && fn.toString().match(functionTypeCheckRE);
	  return match ? match[1] : '';
	}

	function isSameType(a, b) {
	  return getType(a) === getType(b);
	}

	function getTypeIndex(type, expectedTypes) {
	  if (!Array.isArray(expectedTypes)) {
	    return isSameType(expectedTypes, type) ? 0 : -1;
	  }

	  for (var i = 0, _len2 = expectedTypes.length; i < _len2; i++) {
	    if (isSameType(expectedTypes[i], type)) {
	      return i;
	    }
	  }

	  return -1;
	}

	function getInvalidTypeMessage(name, value, expectedTypes) {
	  var message = "Invalid prop: type check failed for prop \"".concat(name, "\".") + " Expected ".concat(expectedTypes.map(capitalize).join(', '));
	  var expectedType = expectedTypes[0];
	  var receivedType = toRawType(value); // check if we need to specify expected value

	  if (expectedTypes.length === 1 && isExplicable(expectedType) && isExplicable(babelHelpers["typeof"](value)) && !isBoolean(expectedType, receivedType)) {
	    message += " with value ".concat(styleValue(value, expectedType));
	  }

	  message += ", got ".concat(receivedType, " "); // check if we need to specify received value

	  if (isExplicable(receivedType)) {
	    message += "with value ".concat(styleValue(value, receivedType), ".");
	  }

	  return message;
	}

	function styleValue(value, type) {
	  if (type === 'String') {
	    return "\"".concat(value, "\"");
	  } else if (type === 'Number') {
	    return "".concat(Number(value));
	  } else {
	    return "".concat(value);
	  }
	}

	var EXPLICABLE_TYPES = ['string', 'number', 'boolean'];

	function isExplicable(value) {
	  return EXPLICABLE_TYPES.some(function (elem) {
	    return value.toLowerCase() === elem;
	  });
	}

	function isBoolean() {
	  for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
	    args[_key3] = arguments[_key3];
	  }

	  return args.some(function (elem) {
	    return elem.toLowerCase() === 'boolean';
	  });
	}
	/*  */


	function handleError(err, vm, info) {
	  // Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
	  // See: https://github.com/vuejs/vuex/issues/1505
	  pushTarget();

	  try {
	    if (vm) {
	      var cur = vm;

	      while (cur = cur.$parent) {
	        var _hooks = cur.$options.errorCaptured;

	        if (_hooks) {
	          for (var i = 0; i < _hooks.length; i++) {
	            try {
	              var capture = _hooks[i].call(cur, err, vm, info) === false;
	              if (capture) return;
	            } catch (e) {
	              globalHandleError(e, cur, 'errorCaptured hook');
	            }
	          }
	        }
	      }
	    }

	    globalHandleError(err, vm, info);
	  } finally {
	    popTarget();
	  }
	}

	function invokeWithErrorHandling(handler, context, args, vm, info) {
	  var res;

	  try {
	    res = args ? handler.apply(context, args) : handler.call(context);

	    if (res && !res._isVue && isPromise(res) && !res._handled) {
	      res["catch"](function (e) {
	        return handleError(e, vm, info + " (Promise/async)");
	      }); // issue #9511
	      // avoid catch triggering multiple times when nested calls

	      res._handled = true;
	    }
	  } catch (e) {
	    handleError(e, vm, info);
	  }

	  return res;
	}

	function globalHandleError(err, vm, info) {
	  if (config.errorHandler) {
	    try {
	      return config.errorHandler.call(null, err, vm, info);
	    } catch (e) {
	      // if the user intentionally throws the original error in the handler,
	      // do not log it twice
	      if (e !== err) {
	        logError(e, null, 'config.errorHandler');
	      }
	    }
	  }

	  logError(err, vm, info);
	}

	function logError(err, vm, info) {
	  {
	    warn("Error in ".concat(info, ": \"").concat(err.toString(), "\""), vm);
	  }
	  /* istanbul ignore else */

	  if ((inBrowser || inWeex) && typeof console !== 'undefined') {
	    console.error(err);
	  } else {
	    throw err;
	  }
	}
	/*  */


	var isUsingMicroTask = false;
	var callbacks = [];
	var pending = false;

	function flushCallbacks() {
	  pending = false;
	  var copies = callbacks.slice(0);
	  callbacks.length = 0;

	  for (var i = 0; i < copies.length; i++) {
	    copies[i]();
	  }
	} // Here we have async deferring wrappers using microtasks.
	// In 2.5 we used (macro) tasks (in combination with microtasks).
	// However, it has subtle problems when state is changed right before repaint
	// (e.g. #6813, out-in transitions).
	// Also, using (macro) tasks in event handler would cause some weird behaviors
	// that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).
	// So we now use microtasks everywhere, again.
	// A major drawback of this tradeoff is that there are some scenarios
	// where microtasks have too high a priority and fire in between supposedly
	// sequential events (e.g. #4521, #6690, which have workarounds)
	// or even between bubbling of the same event (#6566).


	var timerFunc; // The nextTick behavior leverages the microtask queue, which can be accessed
	// via either native Promise.then or MutationObserver.
	// MutationObserver has wider support, however it is seriously bugged in
	// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
	// completely stops working after triggering a few times... so, if native
	// Promise is available, we will use it:

	/* istanbul ignore next, $flow-disable-line */

	if (typeof Promise !== 'undefined' && isNative(Promise)) {
	  var p = Promise.resolve();

	  timerFunc = function timerFunc() {
	    p.then(flushCallbacks); // In problematic UIWebViews, Promise.then doesn't completely break, but
	    // it can get stuck in a weird state where callbacks are pushed into the
	    // microtask queue but the queue isn't being flushed, until the browser
	    // needs to do some other work, e.g. handle a timer. Therefore we can
	    // "force" the microtask queue to be flushed by adding an empty timer.

	    if (isIOS) setTimeout(noop);
	  };

	  isUsingMicroTask = true;
	} else if (!isIE && typeof MutationObserver !== 'undefined' && (isNative(MutationObserver) || // PhantomJS and iOS 7.x
	MutationObserver.toString() === '[object MutationObserverConstructor]')) {
	  // Use MutationObserver where native Promise is not available,
	  // e.g. PhantomJS, iOS7, Android 4.4
	  // (#6466 MutationObserver is unreliable in IE11)
	  var counter = 1;
	  var observer = new MutationObserver(flushCallbacks);
	  var textNode = document.createTextNode(String(counter));
	  observer.observe(textNode, {
	    characterData: true
	  });

	  timerFunc = function timerFunc() {
	    counter = (counter + 1) % 2;
	    textNode.data = String(counter);
	  };

	  isUsingMicroTask = true;
	} else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
	  // Fallback to setImmediate.
	  // Technically it leverages the (macro) task queue,
	  // but it is still a better choice than setTimeout.
	  timerFunc = function timerFunc() {
	    setImmediate(flushCallbacks);
	  };
	} else {
	  // Fallback to setTimeout.
	  timerFunc = function timerFunc() {
	    setTimeout(flushCallbacks, 0);
	  };
	}

	function nextTick(cb, ctx) {
	  var _resolve;

	  callbacks.push(function () {
	    if (cb) {
	      try {
	        cb.call(ctx);
	      } catch (e) {
	        handleError(e, ctx, 'nextTick');
	      }
	    } else if (_resolve) {
	      _resolve(ctx);
	    }
	  });

	  if (!pending) {
	    pending = true;
	    timerFunc();
	  } // $flow-disable-line


	  if (!cb && typeof Promise !== 'undefined') {
	    return new Promise(function (resolve) {
	      _resolve = resolve;
	    });
	  }
	}
	/*  */


	var mark;
	var measure;
	{
	  var perf = inBrowser && window.performance;
	  /* istanbul ignore if */

	  if (perf && perf.mark && perf.measure && perf.clearMarks && perf.clearMeasures) {
	    mark = function mark(tag) {
	      return perf.mark(tag);
	    };

	    measure = function measure(name, startTag, endTag) {
	      perf.measure(name, startTag, endTag);
	      perf.clearMarks(startTag);
	      perf.clearMarks(endTag); // perf.clearMeasures(name)
	    };
	  }
	}
	/* not type checking this file because flow doesn't play well with Proxy */

	var initProxy;
	{
	  var allowedGlobals = makeMap('Infinity,undefined,NaN,isFinite,isNaN,' + 'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' + 'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,BigInt,' + 'require' // for Webpack/Browserify
	  );

	  var warnNonPresent = function warnNonPresent(target, key) {
	    warn("Property or method \"".concat(key, "\" is not defined on the instance but ") + 'referenced during render. Make sure that this property is reactive, ' + 'either in the data option, or for class-based components, by ' + 'initializing the property. ' + 'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.', target);
	  };

	  var warnReservedPrefix = function warnReservedPrefix(target, key) {
	    warn("Property \"".concat(key, "\" must be accessed with \"$data.").concat(key, "\" because ") + 'properties starting with "$" or "_" are not proxied in the Vue instance to ' + 'prevent conflicts with Vue internals. ' + 'See: https://vuejs.org/v2/api/#data', target);
	  };

	  var hasProxy = typeof Proxy !== 'undefined' && isNative(Proxy);

	  if (hasProxy) {
	    var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
	    config.keyCodes = new Proxy(config.keyCodes, {
	      set: function set(target, key, value) {
	        if (isBuiltInModifier(key)) {
	          warn("Avoid overwriting built-in modifier in config.keyCodes: .".concat(key));
	          return false;
	        } else {
	          target[key] = value;
	          return true;
	        }
	      }
	    });
	  }

	  var hasHandler = {
	    has: function has(target, key) {
	      var has = (key in target);
	      var isAllowed = allowedGlobals(key) || typeof key === 'string' && key.charAt(0) === '_' && !(key in target.$data);

	      if (!has && !isAllowed) {
	        if (key in target.$data) warnReservedPrefix(target, key);else warnNonPresent(target, key);
	      }

	      return has || !isAllowed;
	    }
	  };
	  var getHandler = {
	    get: function get(target, key) {
	      if (typeof key === 'string' && !(key in target)) {
	        if (key in target.$data) warnReservedPrefix(target, key);else warnNonPresent(target, key);
	      }

	      return target[key];
	    }
	  };

	  initProxy = function initProxy(vm) {
	    if (hasProxy) {
	      // determine which proxy handler to use
	      var options = vm.$options;
	      var handlers = options.render && options.render._withStripped ? getHandler : hasHandler;
	      vm._renderProxy = new Proxy(vm, handlers);
	    } else {
	      vm._renderProxy = vm;
	    }
	  };
	}
	/*  */

	var seenObjects = new _Set();
	/**
	 * Recursively traverse an object to evoke all converted
	 * getters, so that every nested property inside the object
	 * is collected as a "deep" dependency.
	 */

	function traverse(val) {
	  _traverse(val, seenObjects);

	  seenObjects.clear();
	}

	function _traverse(val, seen) {
	  var i, keys;
	  var isA = Array.isArray(val);

	  if (!isA && !isObject(val) || Object.isFrozen(val) || val instanceof VNode) {
	    return;
	  }

	  if (val.__ob__) {
	    var depId = val.__ob__.dep.id;

	    if (seen.has(depId)) {
	      return;
	    }

	    seen.add(depId);
	  }

	  if (isA) {
	    i = val.length;

	    while (i--) {
	      _traverse(val[i], seen);
	    }
	  } else {
	    keys = Object.keys(val);
	    i = keys.length;

	    while (i--) {
	      _traverse(val[keys[i]], seen);
	    }
	  }
	}
	/*  */


	var normalizeEvent = cached(function (name) {
	  var passive = name.charAt(0) === '&';
	  name = passive ? name.slice(1) : name;
	  var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first

	  name = once$$1 ? name.slice(1) : name;
	  var capture = name.charAt(0) === '!';
	  name = capture ? name.slice(1) : name;
	  return {
	    name: name,
	    once: once$$1,
	    capture: capture,
	    passive: passive
	  };
	});

	function createFnInvoker(fns, vm) {
	  function invoker() {
	    var fns = invoker.fns;

	    if (Array.isArray(fns)) {
	      var cloned = fns.slice();

	      for (var i = 0; i < cloned.length; i++) {
	        invokeWithErrorHandling(cloned[i], null, arguments, vm, "v-on handler");
	      }
	    } else {
	      // return handler return value for single handlers
	      return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler");
	    }
	  }

	  invoker.fns = fns;
	  return invoker;
	}

	function updateListeners(on, oldOn, add, remove$$1, createOnceHandler, vm) {
	  var name, def$$1, cur, old, event;

	  for (name in on) {
	    def$$1 = cur = on[name];
	    old = oldOn[name];
	    event = normalizeEvent(name);

	    if (isUndef(cur)) {
	      warn("Invalid handler for event \"".concat(event.name, "\": got ") + String(cur), vm);
	    } else if (isUndef(old)) {
	      if (isUndef(cur.fns)) {
	        cur = on[name] = createFnInvoker(cur, vm);
	      }

	      if (isTrue(event.once)) {
	        cur = on[name] = createOnceHandler(event.name, cur, event.capture);
	      }

	      add(event.name, cur, event.capture, event.passive, event.params);
	    } else if (cur !== old) {
	      old.fns = cur;
	      on[name] = old;
	    }
	  }

	  for (name in oldOn) {
	    if (isUndef(on[name])) {
	      event = normalizeEvent(name);
	      remove$$1(event.name, oldOn[name], event.capture);
	    }
	  }
	}
	/*  */


	function mergeVNodeHook(def, hookKey, hook) {
	  if (def instanceof VNode) {
	    def = def.data.hook || (def.data.hook = {});
	  }

	  var invoker;
	  var oldHook = def[hookKey];

	  function wrappedHook() {
	    hook.apply(this, arguments); // important: remove merged hook to ensure it's called only once
	    // and prevent memory leak

	    remove(invoker.fns, wrappedHook);
	  }

	  if (isUndef(oldHook)) {
	    // no existing hook
	    invoker = createFnInvoker([wrappedHook]);
	  } else {
	    /* istanbul ignore if */
	    if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
	      // already a merged invoker
	      invoker = oldHook;
	      invoker.fns.push(wrappedHook);
	    } else {
	      // existing plain hook
	      invoker = createFnInvoker([oldHook, wrappedHook]);
	    }
	  }

	  invoker.merged = true;
	  def[hookKey] = invoker;
	}
	/*  */


	function extractPropsFromVNodeData(data, Ctor, tag) {
	  // we are only extracting raw values here.
	  // validation and default values are handled in the child
	  // component itself.
	  var propOptions = Ctor.options.props;

	  if (isUndef(propOptions)) {
	    return;
	  }

	  var res = {};
	  var attrs = data.attrs,
	      props = data.props;

	  if (isDef(attrs) || isDef(props)) {
	    for (var key in propOptions) {
	      var altKey = hyphenate(key);
	      {
	        var keyInLowerCase = key.toLowerCase();

	        if (key !== keyInLowerCase && attrs && hasOwn(attrs, keyInLowerCase)) {
	          tip("Prop \"".concat(keyInLowerCase, "\" is passed to component ") + "".concat(formatComponentName(tag || Ctor), ", but the declared prop name is") + " \"".concat(key, "\". ") + "Note that HTML attributes are case-insensitive and camelCased " + "props need to use their kebab-case equivalents when using in-DOM " + "templates. You should probably use \"".concat(altKey, "\" instead of \"").concat(key, "\"."));
	        }
	      }
	      checkProp(res, props, key, altKey, true) || checkProp(res, attrs, key, altKey, false);
	    }
	  }

	  return res;
	}

	function checkProp(res, hash, key, altKey, preserve) {
	  if (isDef(hash)) {
	    if (hasOwn(hash, key)) {
	      res[key] = hash[key];

	      if (!preserve) {
	        delete hash[key];
	      }

	      return true;
	    } else if (hasOwn(hash, altKey)) {
	      res[key] = hash[altKey];

	      if (!preserve) {
	        delete hash[altKey];
	      }

	      return true;
	    }
	  }

	  return false;
	}
	/*  */
	// The template compiler attempts to minimize the need for normalization by
	// statically analyzing the template at compile time.
	//
	// For plain HTML markup, normalization can be completely skipped because the
	// generated render function is guaranteed to return Array<VNode>. There are
	// two cases where extra normalization is needed:
	// 1. When the children contains components - because a functional component
	// may return an Array instead of a single root. In this case, just a simple
	// normalization is needed - if any child is an Array, we flatten the whole
	// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
	// because functional components already normalize their own children.


	function simpleNormalizeChildren(children) {
	  for (var i = 0; i < children.length; i++) {
	    if (Array.isArray(children[i])) {
	      return Array.prototype.concat.apply([], children);
	    }
	  }

	  return children;
	} // 2. When the children contains constructs that always generated nested Arrays,
	// e.g. <template>, <slot>, v-for, or when the children is provided by user
	// with hand-written render functions / JSX. In such cases a full normalization
	// is needed to cater to all possible types of children values.


	function normalizeChildren(children) {
	  return isPrimitive(children) ? [createTextVNode(children)] : Array.isArray(children) ? normalizeArrayChildren(children) : undefined;
	}

	function isTextNode(node) {
	  return isDef(node) && isDef(node.text) && isFalse(node.isComment);
	}

	function normalizeArrayChildren(children, nestedIndex) {
	  var res = [];
	  var i, c, lastIndex, last;

	  for (i = 0; i < children.length; i++) {
	    c = children[i];
	    if (isUndef(c) || typeof c === 'boolean') continue;
	    lastIndex = res.length - 1;
	    last = res[lastIndex]; //  nested

	    if (Array.isArray(c)) {
	      if (c.length > 0) {
	        c = normalizeArrayChildren(c, "".concat(nestedIndex || '', "_").concat(i)); // merge adjacent text nodes

	        if (isTextNode(c[0]) && isTextNode(last)) {
	          res[lastIndex] = createTextVNode(last.text + c[0].text);
	          c.shift();
	        }

	        res.push.apply(res, c);
	      }
	    } else if (isPrimitive(c)) {
	      if (isTextNode(last)) {
	        // merge adjacent text nodes
	        // this is necessary for SSR hydration because text nodes are
	        // essentially merged when rendered to HTML strings
	        res[lastIndex] = createTextVNode(last.text + c);
	      } else if (c !== '') {
	        // convert primitive to vnode
	        res.push(createTextVNode(c));
	      }
	    } else {
	      if (isTextNode(c) && isTextNode(last)) {
	        // merge adjacent text nodes
	        res[lastIndex] = createTextVNode(last.text + c.text);
	      } else {
	        // default key for nested array children (likely generated by v-for)
	        if (isTrue(children._isVList) && isDef(c.tag) && isUndef(c.key) && isDef(nestedIndex)) {
	          c.key = "__vlist".concat(nestedIndex, "_").concat(i, "__");
	        }

	        res.push(c);
	      }
	    }
	  }

	  return res;
	}
	/*  */


	function initProvide(vm) {
	  var provide = vm.$options.provide;

	  if (provide) {
	    vm._provided = typeof provide === 'function' ? provide.call(vm) : provide;
	  }
	}

	function initInjections(vm) {
	  var result = resolveInject(vm.$options.inject, vm);

	  if (result) {
	    toggleObserving(false);
	    Object.keys(result).forEach(function (key) {
	      /* istanbul ignore else */
	      {
	        defineReactive$$1(vm, key, result[key], function () {
	          warn("Avoid mutating an injected value directly since the changes will be " + "overwritten whenever the provided component re-renders. " + "injection being mutated: \"".concat(key, "\""), vm);
	        });
	      }
	    });
	    toggleObserving(true);
	  }
	}

	function resolveInject(inject, vm) {
	  if (inject) {
	    // inject is :any because flow is not smart enough to figure out cached
	    var result = Object.create(null);
	    var keys = hasSymbol ? Reflect.ownKeys(inject) : Object.keys(inject);

	    for (var i = 0; i < keys.length; i++) {
	      var key = keys[i]; // #6574 in case the inject object is observed...

	      if (key === '__ob__') continue;
	      var provideKey = inject[key].from;
	      var source = vm;

	      while (source) {
	        if (source._provided && hasOwn(source._provided, provideKey)) {
	          result[key] = source._provided[provideKey];
	          break;
	        }

	        source = source.$parent;
	      }

	      if (!source) {
	        if ('default' in inject[key]) {
	          var provideDefault = inject[key]["default"];
	          result[key] = typeof provideDefault === 'function' ? provideDefault.call(vm) : provideDefault;
	        } else {
	          warn("Injection \"".concat(key, "\" not found"), vm);
	        }
	      }
	    }

	    return result;
	  }
	}
	/*  */

	/**
	 * Runtime helper for resolving raw children VNodes into a slot object.
	 */


	function resolveSlots(children, context) {
	  if (!children || !children.length) {
	    return {};
	  }

	  var slots = {};

	  for (var i = 0, l = children.length; i < l; i++) {
	    var child = children[i];
	    var data = child.data; // remove slot attribute if the node is resolved as a Vue slot node

	    if (data && data.attrs && data.attrs.slot) {
	      delete data.attrs.slot;
	    } // named slots should only be respected if the vnode was rendered in the
	    // same context.


	    if ((child.context === context || child.fnContext === context) && data && data.slot != null) {
	      var name = data.slot;
	      var slot = slots[name] || (slots[name] = []);

	      if (child.tag === 'template') {
	        slot.push.apply(slot, child.children || []);
	      } else {
	        slot.push(child);
	      }
	    } else {
	      (slots["default"] || (slots["default"] = [])).push(child);
	    }
	  } // ignore slots that contains only whitespace


	  for (var _name in slots) {
	    if (slots[_name].every(isWhitespace)) {
	      delete slots[_name];
	    }
	  }

	  return slots;
	}

	function isWhitespace(node) {
	  return node.isComment && !node.asyncFactory || node.text === ' ';
	}
	/*  */


	function isAsyncPlaceholder(node) {
	  return node.isComment && node.asyncFactory;
	}
	/*  */


	function normalizeScopedSlots(slots, normalSlots, prevSlots) {
	  var res;
	  var hasNormalSlots = Object.keys(normalSlots).length > 0;
	  var isStable = slots ? !!slots.$stable : !hasNormalSlots;
	  var key = slots && slots.$key;

	  if (!slots) {
	    res = {};
	  } else if (slots._normalized) {
	    // fast path 1: child component re-render only, parent did not change
	    return slots._normalized;
	  } else if (isStable && prevSlots && prevSlots !== emptyObject && key === prevSlots.$key && !hasNormalSlots && !prevSlots.$hasNormal) {
	    // fast path 2: stable scoped slots w/ no normal slots to proxy,
	    // only need to normalize once
	    return prevSlots;
	  } else {
	    res = {};

	    for (var _key4 in slots) {
	      if (slots[_key4] && _key4[0] !== '$') {
	        res[_key4] = normalizeScopedSlot(normalSlots, _key4, slots[_key4]);
	      }
	    }
	  } // expose normal slots on scopedSlots


	  for (var _key5 in normalSlots) {
	    if (!(_key5 in res)) {
	      res[_key5] = proxyNormalSlot(normalSlots, _key5);
	    }
	  } // avoriaz seems to mock a non-extensible $scopedSlots object
	  // and when that is passed down this would cause an error


	  if (slots && Object.isExtensible(slots)) {
	    slots._normalized = res;
	  }

	  def(res, '$stable', isStable);
	  def(res, '$key', key);
	  def(res, '$hasNormal', hasNormalSlots);
	  return res;
	}

	function normalizeScopedSlot(normalSlots, key, fn) {
	  var normalized = function normalized() {
	    var res = arguments.length ? fn.apply(null, arguments) : fn({});
	    res = res && babelHelpers["typeof"](res) === 'object' && !Array.isArray(res) ? [res] // single vnode
	    : normalizeChildren(res);
	    var vnode = res && res[0];
	    return res && (!vnode || res.length === 1 && vnode.isComment && !isAsyncPlaceholder(vnode) // #9658, #10391
	    ) ? undefined : res;
	  }; // this is a slot using the new v-slot syntax without scope. although it is
	  // compiled as a scoped slot, render fn users would expect it to be present
	  // on this.$slots because the usage is semantically a normal slot.


	  if (fn.proxy) {
	    Object.defineProperty(normalSlots, key, {
	      get: normalized,
	      enumerable: true,
	      configurable: true
	    });
	  }

	  return normalized;
	}

	function proxyNormalSlot(slots, key) {
	  return function () {
	    return slots[key];
	  };
	}
	/*  */

	/**
	 * Runtime helper for rendering v-for lists.
	 */


	function renderList(val, render) {
	  var ret, i, l, keys, key;

	  if (Array.isArray(val) || typeof val === 'string') {
	    ret = new Array(val.length);

	    for (i = 0, l = val.length; i < l; i++) {
	      ret[i] = render(val[i], i);
	    }
	  } else if (typeof val === 'number') {
	    ret = new Array(val);

	    for (i = 0; i < val; i++) {
	      ret[i] = render(i + 1, i);
	    }
	  } else if (isObject(val)) {
	    if (hasSymbol && val[Symbol.iterator]) {
	      ret = [];
	      var iterator = val[Symbol.iterator]();
	      var result = iterator.next();

	      while (!result.done) {
	        ret.push(render(result.value, ret.length));
	        result = iterator.next();
	      }
	    } else {
	      keys = Object.keys(val);
	      ret = new Array(keys.length);

	      for (i = 0, l = keys.length; i < l; i++) {
	        key = keys[i];
	        ret[i] = render(val[key], key, i);
	      }
	    }
	  }

	  if (!isDef(ret)) {
	    ret = [];
	  }

	  ret._isVList = true;
	  return ret;
	}
	/*  */

	/**
	 * Runtime helper for rendering <slot>
	 */


	function renderSlot(name, fallbackRender, props, bindObject) {
	  var scopedSlotFn = this.$scopedSlots[name];
	  var nodes;

	  if (scopedSlotFn) {
	    // scoped slot
	    props = props || {};

	    if (bindObject) {
	      if (!isObject(bindObject)) {
	        warn('slot v-bind without argument expects an Object', this);
	      }

	      props = extend(extend({}, bindObject), props);
	    }

	    nodes = scopedSlotFn(props) || (typeof fallbackRender === 'function' ? fallbackRender() : fallbackRender);
	  } else {
	    nodes = this.$slots[name] || (typeof fallbackRender === 'function' ? fallbackRender() : fallbackRender);
	  }

	  var target = props && props.slot;

	  if (target) {
	    return this.$createElement('template', {
	      slot: target
	    }, nodes);
	  } else {
	    return nodes;
	  }
	}
	/*  */

	/**
	 * Runtime helper for resolving filters
	 */


	function resolveFilter(id) {
	  return resolveAsset(this.$options, 'filters', id, true) || identity;
	}
	/*  */


	function isKeyNotMatch(expect, actual) {
	  if (Array.isArray(expect)) {
	    return expect.indexOf(actual) === -1;
	  } else {
	    return expect !== actual;
	  }
	}
	/**
	 * Runtime helper for checking keyCodes from config.
	 * exposed as Vue.prototype._k
	 * passing in eventKeyName as last argument separately for backwards compat
	 */


	function checkKeyCodes(eventKeyCode, key, builtInKeyCode, eventKeyName, builtInKeyName) {
	  var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;

	  if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
	    return isKeyNotMatch(builtInKeyName, eventKeyName);
	  } else if (mappedKeyCode) {
	    return isKeyNotMatch(mappedKeyCode, eventKeyCode);
	  } else if (eventKeyName) {
	    return hyphenate(eventKeyName) !== key;
	  }

	  return eventKeyCode === undefined;
	}
	/*  */

	/**
	 * Runtime helper for merging v-bind="object" into a VNode's data.
	 */


	function bindObjectProps(data, tag, value, asProp, isSync) {
	  if (value) {
	    if (!isObject(value)) {
	      warn('v-bind without argument expects an Object or Array value', this);
	    } else {
	      if (Array.isArray(value)) {
	        value = toObject(value);
	      }

	      var _hash;

	      var _loop = function _loop(key) {
	        if (key === 'class' || key === 'style' || isReservedAttribute(key)) {
	          _hash = data;
	        } else {
	          var type = data.attrs && data.attrs.type;
	          _hash = asProp || config.mustUseProp(tag, type, key) ? data.domProps || (data.domProps = {}) : data.attrs || (data.attrs = {});
	        }

	        var camelizedKey = camelize(key);
	        var hyphenatedKey = hyphenate(key);

	        if (!(camelizedKey in _hash) && !(hyphenatedKey in _hash)) {
	          _hash[key] = value[key];

	          if (isSync) {
	            var _on = data.on || (data.on = {});

	            _on["update:".concat(key)] = function ($event) {
	              value[key] = $event;
	            };
	          }
	        }
	      };

	      for (var key in value) {
	        _loop(key);
	      }
	    }
	  }

	  return data;
	}
	/*  */

	/**
	 * Runtime helper for rendering static trees.
	 */


	function renderStatic(index, isInFor) {
	  var cached = this._staticTrees || (this._staticTrees = []);
	  var tree = cached[index]; // if has already-rendered static tree and not inside v-for,
	  // we can reuse the same tree.

	  if (tree && !isInFor) {
	    return tree;
	  } // otherwise, render a fresh tree.


	  tree = cached[index] = this.$options.staticRenderFns[index].call(this._renderProxy, null, this // for render fns generated for functional component templates
	  );
	  markStatic(tree, "__static__".concat(index), false);
	  return tree;
	}
	/**
	 * Runtime helper for v-once.
	 * Effectively it means marking the node as static with a unique key.
	 */


	function markOnce(tree, index, key) {
	  markStatic(tree, "__once__".concat(index).concat(key ? "_".concat(key) : ""), true);
	  return tree;
	}

	function markStatic(tree, key, isOnce) {
	  if (Array.isArray(tree)) {
	    for (var i = 0; i < tree.length; i++) {
	      if (tree[i] && typeof tree[i] !== 'string') {
	        markStaticNode(tree[i], "".concat(key, "_").concat(i), isOnce);
	      }
	    }
	  } else {
	    markStaticNode(tree, key, isOnce);
	  }
	}

	function markStaticNode(node, key, isOnce) {
	  node.isStatic = true;
	  node.key = key;
	  node.isOnce = isOnce;
	}
	/*  */


	function bindObjectListeners(data, value) {
	  if (value) {
	    if (!isPlainObject(value)) {
	      warn('v-on without argument expects an Object value', this);
	    } else {
	      var _on2 = data.on = data.on ? extend({}, data.on) : {};

	      for (var key in value) {
	        var existing = _on2[key];
	        var ours = value[key];
	        _on2[key] = existing ? [].concat(existing, ours) : ours;
	      }
	    }
	  }

	  return data;
	}
	/*  */


	function resolveScopedSlots(fns, // see flow/vnode
	res, // the following are added in 2.6
	hasDynamicKeys, contentHashKey) {
	  res = res || {
	    $stable: !hasDynamicKeys
	  };

	  for (var i = 0; i < fns.length; i++) {
	    var slot = fns[i];

	    if (Array.isArray(slot)) {
	      resolveScopedSlots(slot, res, hasDynamicKeys);
	    } else if (slot) {
	      // marker for reverse proxying v-slot without scope on this.$slots
	      if (slot.proxy) {
	        slot.fn.proxy = true;
	      }

	      res[slot.key] = slot.fn;
	    }
	  }

	  if (contentHashKey) {
	    res.$key = contentHashKey;
	  }

	  return res;
	}
	/*  */


	function bindDynamicKeys(baseObj, values) {
	  for (var i = 0; i < values.length; i += 2) {
	    var key = values[i];

	    if (typeof key === 'string' && key) {
	      baseObj[values[i]] = values[i + 1];
	    } else if (key !== '' && key !== null) {
	      // null is a special value for explicitly removing a binding
	      warn("Invalid value for dynamic directive argument (expected string or null): ".concat(key), this);
	    }
	  }

	  return baseObj;
	} // helper to dynamically append modifier runtime markers to event names.
	// ensure only append when value is already string, otherwise it will be cast
	// to string and cause the type check to miss.


	function prependModifier(value, symbol) {
	  return typeof value === 'string' ? symbol + value : value;
	}
	/*  */


	function installRenderHelpers(target) {
	  target._o = markOnce;
	  target._n = toNumber;
	  target._s = toString;
	  target._l = renderList;
	  target._t = renderSlot;
	  target._q = looseEqual;
	  target._i = looseIndexOf;
	  target._m = renderStatic;
	  target._f = resolveFilter;
	  target._k = checkKeyCodes;
	  target._b = bindObjectProps;
	  target._v = createTextVNode;
	  target._e = createEmptyVNode;
	  target._u = resolveScopedSlots;
	  target._g = bindObjectListeners;
	  target._d = bindDynamicKeys;
	  target._p = prependModifier;
	}
	/*  */


	function FunctionalRenderContext(data, props, children, parent, Ctor) {
	  var _this = this;

	  var options = Ctor.options; // ensure the createElement function in functional components
	  // gets a unique context - this is necessary for correct named slot check

	  var contextVm;

	  if (hasOwn(parent, '_uid')) {
	    contextVm = Object.create(parent); // $flow-disable-line

	    contextVm._original = parent;
	  } else {
	    // the context vm passed in is a functional context as well.
	    // in this case we want to make sure we are able to get a hold to the
	    // real context instance.
	    contextVm = parent; // $flow-disable-line

	    parent = parent._original;
	  }

	  var isCompiled = isTrue(options._compiled);
	  var needNormalization = !isCompiled;
	  this.data = data;
	  this.props = props;
	  this.children = children;
	  this.parent = parent;
	  this.listeners = data.on || emptyObject;
	  this.injections = resolveInject(options.inject, parent);

	  this.slots = function () {
	    if (!_this.$slots) {
	      normalizeScopedSlots(data.scopedSlots, _this.$slots = resolveSlots(children, parent));
	    }

	    return _this.$slots;
	  };

	  Object.defineProperty(this, 'scopedSlots', {
	    enumerable: true,
	    get: function get() {
	      return normalizeScopedSlots(data.scopedSlots, this.slots());
	    }
	  }); // support for compiled functional template

	  if (isCompiled) {
	    // exposing $options for renderStatic()
	    this.$options = options; // pre-resolve slots for renderSlot()

	    this.$slots = this.slots();
	    this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);
	  }

	  if (options._scopeId) {
	    this._c = function (a, b, c, d) {
	      var vnode = createElement(contextVm, a, b, c, d, needNormalization);

	      if (vnode && !Array.isArray(vnode)) {
	        vnode.fnScopeId = options._scopeId;
	        vnode.fnContext = parent;
	      }

	      return vnode;
	    };
	  } else {
	    this._c = function (a, b, c, d) {
	      return createElement(contextVm, a, b, c, d, needNormalization);
	    };
	  }
	}

	installRenderHelpers(FunctionalRenderContext.prototype);

	function createFunctionalComponent(Ctor, propsData, data, contextVm, children) {
	  var options = Ctor.options;
	  var props = {};
	  var propOptions = options.props;

	  if (isDef(propOptions)) {
	    for (var key in propOptions) {
	      props[key] = validateProp(key, propOptions, propsData || emptyObject);
	    }
	  } else {
	    if (isDef(data.attrs)) mergeProps(props, data.attrs);
	    if (isDef(data.props)) mergeProps(props, data.props);
	  }

	  var renderContext = new FunctionalRenderContext(data, props, children, contextVm, Ctor);
	  var vnode = options.render.call(null, renderContext._c, renderContext);

	  if (vnode instanceof VNode) {
	    return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext);
	  } else if (Array.isArray(vnode)) {
	    var vnodes = normalizeChildren(vnode) || [];
	    var res = new Array(vnodes.length);

	    for (var i = 0; i < vnodes.length; i++) {
	      res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
	    }

	    return res;
	  }
	}

	function cloneAndMarkFunctionalResult(vnode, data, contextVm, options, renderContext) {
	  // #7817 clone node before setting fnContext, otherwise if the node is reused
	  // (e.g. it was from a cached normal slot) the fnContext causes named slots
	  // that should not be matched to match.
	  var clone = cloneVNode(vnode);
	  clone.fnContext = contextVm;
	  clone.fnOptions = options;
	  {
	    (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;
	  }

	  if (data.slot) {
	    (clone.data || (clone.data = {})).slot = data.slot;
	  }

	  return clone;
	}

	function mergeProps(to, from) {
	  for (var key in from) {
	    to[camelize(key)] = from[key];
	  }
	}
	/*  */

	/*  */

	/*  */

	/*  */
	// inline hooks to be invoked on component VNodes during patch


	var componentVNodeHooks = {
	  init: function init(vnode, hydrating) {
	    if (vnode.componentInstance && !vnode.componentInstance._isDestroyed && vnode.data.keepAlive) {
	      // kept-alive components, treat as a patch
	      var mountedNode = vnode; // work around flow

	      componentVNodeHooks.prepatch(mountedNode, mountedNode);
	    } else {
	      var child = vnode.componentInstance = createComponentInstanceForVnode(vnode, activeInstance);
	      child.$mount(hydrating ? vnode.elm : undefined, hydrating);
	    }
	  },
	  prepatch: function prepatch(oldVnode, vnode) {
	    var options = vnode.componentOptions;
	    var child = vnode.componentInstance = oldVnode.componentInstance;
	    updateChildComponent(child, options.propsData, // updated props
	    options.listeners, // updated listeners
	    vnode, // new parent vnode
	    options.children // new children
	    );
	  },
	  insert: function insert(vnode) {
	    var context = vnode.context,
	        componentInstance = vnode.componentInstance;

	    if (!componentInstance._isMounted) {
	      componentInstance._isMounted = true;
	      callHook(componentInstance, 'mounted');
	    }

	    if (vnode.data.keepAlive) {
	      if (context._isMounted) {
	        // vue-router#1212
	        // During updates, a kept-alive component's child components may
	        // change, so directly walking the tree here may call activated hooks
	        // on incorrect children. Instead we push them into a queue which will
	        // be processed after the whole patch process ended.
	        queueActivatedComponent(componentInstance);
	      } else {
	        activateChildComponent(componentInstance, true
	        /* direct */
	        );
	      }
	    }
	  },
	  destroy: function destroy(vnode) {
	    var componentInstance = vnode.componentInstance;

	    if (!componentInstance._isDestroyed) {
	      if (!vnode.data.keepAlive) {
	        componentInstance.$destroy();
	      } else {
	        deactivateChildComponent(componentInstance, true
	        /* direct */
	        );
	      }
	    }
	  }
	};
	var hooksToMerge = Object.keys(componentVNodeHooks);

	function createComponent(Ctor, data, context, children, tag) {
	  if (isUndef(Ctor)) {
	    return;
	  }

	  var baseCtor = context.$options._base; // plain options object: turn it into a constructor

	  if (isObject(Ctor)) {
	    Ctor = baseCtor.extend(Ctor);
	  } // if at this stage it's not a constructor or an async component factory,
	  // reject.


	  if (typeof Ctor !== 'function') {
	    {
	      warn("Invalid Component definition: ".concat(String(Ctor)), context);
	    }
	    return;
	  } // async component


	  var asyncFactory;

	  if (isUndef(Ctor.cid)) {
	    asyncFactory = Ctor;
	    Ctor = resolveAsyncComponent(asyncFactory, baseCtor);

	    if (Ctor === undefined) {
	      // return a placeholder node for async component, which is rendered
	      // as a comment node but preserves all the raw information for the node.
	      // the information will be used for async server-rendering and hydration.
	      return createAsyncPlaceholder(asyncFactory, data, context, children, tag);
	    }
	  }

	  data = data || {}; // resolve constructor options in case global mixins are applied after
	  // component constructor creation

	  resolveConstructorOptions(Ctor); // transform component v-model data into props & events

	  if (isDef(data.model)) {
	    transformModel(Ctor.options, data);
	  } // extract props


	  var propsData = extractPropsFromVNodeData(data, Ctor, tag); // functional component

	  if (isTrue(Ctor.options.functional)) {
	    return createFunctionalComponent(Ctor, propsData, data, context, children);
	  } // extract listeners, since these needs to be treated as
	  // child component listeners instead of DOM listeners


	  var listeners = data.on; // replace with listeners with .native modifier
	  // so it gets processed during parent component patch.

	  data.on = data.nativeOn;

	  if (isTrue(Ctor.options["abstract"])) {
	    // abstract components do not keep anything
	    // other than props & listeners & slot
	    // work around flow
	    var slot = data.slot;
	    data = {};

	    if (slot) {
	      data.slot = slot;
	    }
	  } // install component management hooks onto the placeholder node


	  installComponentHooks(data); // return a placeholder vnode

	  var name = Ctor.options.name || tag;
	  var vnode = new VNode("vue-component-".concat(Ctor.cid).concat(name ? "-".concat(name) : ''), data, undefined, undefined, undefined, context, {
	    Ctor: Ctor,
	    propsData: propsData,
	    listeners: listeners,
	    tag: tag,
	    children: children
	  }, asyncFactory);
	  return vnode;
	}

	function createComponentInstanceForVnode( // we know it's MountedComponentVNode but flow doesn't
	vnode, // activeInstance in lifecycle state
	parent) {
	  var options = {
	    _isComponent: true,
	    _parentVnode: vnode,
	    parent: parent
	  }; // check inline-template render functions

	  var inlineTemplate = vnode.data.inlineTemplate;

	  if (isDef(inlineTemplate)) {
	    options.render = inlineTemplate.render;
	    options.staticRenderFns = inlineTemplate.staticRenderFns;
	  }

	  return new vnode.componentOptions.Ctor(options);
	}

	function installComponentHooks(data) {
	  var hooks = data.hook || (data.hook = {});

	  for (var i = 0; i < hooksToMerge.length; i++) {
	    var key = hooksToMerge[i];
	    var existing = hooks[key];
	    var toMerge = componentVNodeHooks[key];

	    if (existing !== toMerge && !(existing && existing._merged)) {
	      hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
	    }
	  }
	}

	function mergeHook$1(f1, f2) {
	  var merged = function merged(a, b) {
	    // flow complains about extra args which is why we use any
	    f1(a, b);
	    f2(a, b);
	  };

	  merged._merged = true;
	  return merged;
	} // transform component v-model info (value and callback) into
	// prop and event handler respectively.


	function transformModel(options, data) {
	  var prop = options.model && options.model.prop || 'value';
	  var event = options.model && options.model.event || 'input';
	  (data.attrs || (data.attrs = {}))[prop] = data.model.value;
	  var on = data.on || (data.on = {});
	  var existing = on[event];
	  var callback = data.model.callback;

	  if (isDef(existing)) {
	    if (Array.isArray(existing) ? existing.indexOf(callback) === -1 : existing !== callback) {
	      on[event] = [callback].concat(existing);
	    }
	  } else {
	    on[event] = callback;
	  }
	}
	/*  */


	var SIMPLE_NORMALIZE = 1;
	var ALWAYS_NORMALIZE = 2; // wrapper function for providing a more flexible interface
	// without getting yelled at by flow

	function createElement(context, tag, data, children, normalizationType, alwaysNormalize) {
	  if (Array.isArray(data) || isPrimitive(data)) {
	    normalizationType = children;
	    children = data;
	    data = undefined;
	  }

	  if (isTrue(alwaysNormalize)) {
	    normalizationType = ALWAYS_NORMALIZE;
	  }

	  return _createElement(context, tag, data, children, normalizationType);
	}

	function _createElement(context, tag, data, children, normalizationType) {
	  if (isDef(data) && isDef(data.__ob__)) {
	    warn("Avoid using observed data object as vnode data: ".concat(JSON.stringify(data), "\n") + 'Always create fresh vnode data objects in each render!', context);
	    return createEmptyVNode();
	  } // object syntax in v-bind


	  if (isDef(data) && isDef(data.is)) {
	    tag = data.is;
	  }

	  if (!tag) {
	    // in case of component :is set to falsy value
	    return createEmptyVNode();
	  } // warn against non-primitive key


	  if (isDef(data) && isDef(data.key) && !isPrimitive(data.key)) {
	    {
	      warn('Avoid using non-primitive value as key, ' + 'use string/number value instead.', context);
	    }
	  } // support single function children as default scoped slot


	  if (Array.isArray(children) && typeof children[0] === 'function') {
	    data = data || {};
	    data.scopedSlots = {
	      "default": children[0]
	    };
	    children.length = 0;
	  }

	  if (normalizationType === ALWAYS_NORMALIZE) {
	    children = normalizeChildren(children);
	  } else if (normalizationType === SIMPLE_NORMALIZE) {
	    children = simpleNormalizeChildren(children);
	  }

	  var vnode, ns;

	  if (typeof tag === 'string') {
	    var Ctor;
	    ns = context.$vnode && context.$vnode.ns || config.getTagNamespace(tag);

	    if (config.isReservedTag(tag)) {
	      // platform built-in elements
	      if (isDef(data) && isDef(data.nativeOn) && data.tag !== 'component') {
	        warn("The .native modifier for v-on is only valid on components but it was used on <".concat(tag, ">."), context);
	      }

	      vnode = new VNode(config.parsePlatformTagName(tag), data, children, undefined, undefined, context);
	    } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
	      // component
	      vnode = createComponent(Ctor, data, context, children, tag);
	    } else {
	      // unknown or unlisted namespaced elements
	      // check at runtime because it may get assigned a namespace when its
	      // parent normalizes children
	      vnode = new VNode(tag, data, children, undefined, undefined, context);
	    }
	  } else {
	    // direct component options / constructor
	    vnode = createComponent(tag, data, context, children);
	  }

	  if (Array.isArray(vnode)) {
	    return vnode;
	  } else if (isDef(vnode)) {
	    if (isDef(ns)) applyNS(vnode, ns);
	    if (isDef(data)) registerDeepBindings(data);
	    return vnode;
	  } else {
	    return createEmptyVNode();
	  }
	}

	function applyNS(vnode, ns, force) {
	  vnode.ns = ns;

	  if (vnode.tag === 'foreignObject') {
	    // use default namespace inside foreignObject
	    ns = undefined;
	    force = true;
	  }

	  if (isDef(vnode.children)) {
	    for (var i = 0, l = vnode.children.length; i < l; i++) {
	      var child = vnode.children[i];

	      if (isDef(child.tag) && (isUndef(child.ns) || isTrue(force) && child.tag !== 'svg')) {
	        applyNS(child, ns, force);
	      }
	    }
	  }
	} // ref #5318
	// necessary to ensure parent re-render when deep bindings like :style and
	// :class are used on slot nodes


	function registerDeepBindings(data) {
	  if (isObject(data.style)) {
	    traverse(data.style);
	  }

	  if (isObject(data["class"])) {
	    traverse(data["class"]);
	  }
	}
	/*  */


	function initRender(vm) {
	  vm._vnode = null; // the root of the child tree

	  vm._staticTrees = null; // v-once cached trees

	  var options = vm.$options;
	  var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree

	  var renderContext = parentVnode && parentVnode.context;
	  vm.$slots = resolveSlots(options._renderChildren, renderContext);
	  vm.$scopedSlots = emptyObject; // bind the createElement fn to this instance
	  // so that we get proper render context inside it.
	  // args order: tag, data, children, normalizationType, alwaysNormalize
	  // internal version is used by render functions compiled from templates

	  vm._c = function (a, b, c, d) {
	    return createElement(vm, a, b, c, d, false);
	  }; // normalization is always applied for the public version, used in
	  // user-written render functions.


	  vm.$createElement = function (a, b, c, d) {
	    return createElement(vm, a, b, c, d, true);
	  }; // $attrs & $listeners are exposed for easier HOC creation.
	  // they need to be reactive so that HOCs using them are always updated


	  var parentData = parentVnode && parentVnode.data;
	  /* istanbul ignore else */

	  {
	    defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
	      !isUpdatingChildComponent && warn("$attrs is readonly.", vm);
	    }, true);
	    defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () {
	      !isUpdatingChildComponent && warn("$listeners is readonly.", vm);
	    }, true);
	  }
	}

	var currentRenderingInstance = null;

	function renderMixin(Vue) {
	  // install runtime convenience helpers
	  installRenderHelpers(Vue.prototype);

	  Vue.prototype.$nextTick = function (fn) {
	    return nextTick(fn, this);
	  };

	  Vue.prototype._render = function () {
	    var vm = this;
	    var _vm$$options = vm.$options,
	        render = _vm$$options.render,
	        _parentVnode = _vm$$options._parentVnode;

	    if (_parentVnode) {
	      vm.$scopedSlots = normalizeScopedSlots(_parentVnode.data.scopedSlots, vm.$slots, vm.$scopedSlots);
	    } // set parent vnode. this allows render functions to have access
	    // to the data on the placeholder node.


	    vm.$vnode = _parentVnode; // render self

	    var vnode;

	    try {
	      // There's no need to maintain a stack because all render fns are called
	      // separately from one another. Nested component's render fns are called
	      // when parent component is patched.
	      currentRenderingInstance = vm;
	      vnode = render.call(vm._renderProxy, vm.$createElement);
	    } catch (e) {
	      handleError(e, vm, "render"); // return error render result,
	      // or previous vnode to prevent render error causing blank component

	      /* istanbul ignore else */

	      if (vm.$options.renderError) {
	        try {
	          vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);
	        } catch (e) {
	          handleError(e, vm, "renderError");
	          vnode = vm._vnode;
	        }
	      } else {
	        vnode = vm._vnode;
	      }
	    } finally {
	      currentRenderingInstance = null;
	    } // if the returned array contains only a single node, allow it


	    if (Array.isArray(vnode) && vnode.length === 1) {
	      vnode = vnode[0];
	    } // return empty vnode in case the render function errored out


	    if (!(vnode instanceof VNode)) {
	      if (Array.isArray(vnode)) {
	        warn('Multiple root nodes returned from render function. Render function ' + 'should return a single root node.', vm);
	      }

	      vnode = createEmptyVNode();
	    } // set parent


	    vnode.parent = _parentVnode;
	    return vnode;
	  };
	}
	/*  */


	function ensureCtor(comp, base) {
	  if (comp.__esModule || hasSymbol && comp[Symbol.toStringTag] === 'Module') {
	    comp = comp["default"];
	  }

	  return isObject(comp) ? base.extend(comp) : comp;
	}

	function createAsyncPlaceholder(factory, data, context, children, tag) {
	  var node = createEmptyVNode();
	  node.asyncFactory = factory;
	  node.asyncMeta = {
	    data: data,
	    context: context,
	    children: children,
	    tag: tag
	  };
	  return node;
	}

	function resolveAsyncComponent(factory, baseCtor) {
	  if (isTrue(factory.error) && isDef(factory.errorComp)) {
	    return factory.errorComp;
	  }

	  if (isDef(factory.resolved)) {
	    return factory.resolved;
	  }

	  var owner = currentRenderingInstance;

	  if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {
	    // already pending
	    factory.owners.push(owner);
	  }

	  if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
	    return factory.loadingComp;
	  }

	  if (owner && !isDef(factory.owners)) {
	    var owners = factory.owners = [owner];
	    var sync = true;
	    var timerLoading = null;
	    var timerTimeout = null;
	    owner.$on('hook:destroyed', function () {
	      return remove(owners, owner);
	    });

	    var forceRender = function forceRender(renderCompleted) {
	      for (var i = 0, l = owners.length; i < l; i++) {
	        owners[i].$forceUpdate();
	      }

	      if (renderCompleted) {
	        owners.length = 0;

	        if (timerLoading !== null) {
	          clearTimeout(timerLoading);
	          timerLoading = null;
	        }

	        if (timerTimeout !== null) {
	          clearTimeout(timerTimeout);
	          timerTimeout = null;
	        }
	      }
	    };

	    var resolve = once(function (res) {
	      // cache resolved
	      factory.resolved = ensureCtor(res, baseCtor); // invoke callbacks only if this is not a synchronous resolve
	      // (async resolves are shimmed as synchronous during SSR)

	      if (!sync) {
	        forceRender(true);
	      } else {
	        owners.length = 0;
	      }
	    });
	    var reject = once(function (reason) {
	      warn("Failed to resolve async component: ".concat(String(factory)) + (reason ? "\nReason: ".concat(reason) : ''));

	      if (isDef(factory.errorComp)) {
	        factory.error = true;
	        forceRender(true);
	      }
	    });
	    var res = factory(resolve, reject);

	    if (isObject(res)) {
	      if (isPromise(res)) {
	        // () => Promise
	        if (isUndef(factory.resolved)) {
	          res.then(resolve, reject);
	        }
	      } else if (isPromise(res.component)) {
	        res.component.then(resolve, reject);

	        if (isDef(res.error)) {
	          factory.errorComp = ensureCtor(res.error, baseCtor);
	        }

	        if (isDef(res.loading)) {
	          factory.loadingComp = ensureCtor(res.loading, baseCtor);

	          if (res.delay === 0) {
	            factory.loading = true;
	          } else {
	            timerLoading = setTimeout(function () {
	              timerLoading = null;

	              if (isUndef(factory.resolved) && isUndef(factory.error)) {
	                factory.loading = true;
	                forceRender(false);
	              }
	            }, res.delay || 200);
	          }
	        }

	        if (isDef(res.timeout)) {
	          timerTimeout = setTimeout(function () {
	            timerTimeout = null;

	            if (isUndef(factory.resolved)) {
	              reject("timeout (".concat(res.timeout, "ms)"));
	            }
	          }, res.timeout);
	        }
	      }
	    }

	    sync = false; // return in case resolved synchronously

	    return factory.loading ? factory.loadingComp : factory.resolved;
	  }
	}
	/*  */


	function getFirstComponentChild(children) {
	  if (Array.isArray(children)) {
	    for (var i = 0; i < children.length; i++) {
	      var c = children[i];

	      if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
	        return c;
	      }
	    }
	  }
	}
	/*  */

	/*  */


	function initEvents(vm) {
	  vm._events = Object.create(null);
	  vm._hasHookEvent = false; // init parent attached events

	  var listeners = vm.$options._parentListeners;

	  if (listeners) {
	    updateComponentListeners(vm, listeners);
	  }
	}

	var target;

	function add(event, fn) {
	  target.$on(event, fn);
	}

	function remove$1(event, fn) {
	  target.$off(event, fn);
	}

	function createOnceHandler(event, fn) {
	  var _target = target;
	  return function onceHandler() {
	    var res = fn.apply(null, arguments);

	    if (res !== null) {
	      _target.$off(event, onceHandler);
	    }
	  };
	}

	function updateComponentListeners(vm, listeners, oldListeners) {
	  target = vm;
	  updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);
	  target = undefined;
	}

	function eventsMixin(Vue) {
	  var hookRE = /^hook:/;

	  Vue.prototype.$on = function (event, fn) {
	    var vm = this;

	    if (Array.isArray(event)) {
	      for (var i = 0, l = event.length; i < l; i++) {
	        vm.$on(event[i], fn);
	      }
	    } else {
	      (vm._events[event] || (vm._events[event] = [])).push(fn); // optimize hook:event cost by using a boolean flag marked at registration
	      // instead of a hash lookup

	      if (hookRE.test(event)) {
	        vm._hasHookEvent = true;
	      }
	    }

	    return vm;
	  };

	  Vue.prototype.$once = function (event, fn) {
	    var vm = this;

	    function on() {
	      vm.$off(event, on);
	      fn.apply(vm, arguments);
	    }

	    on.fn = fn;
	    vm.$on(event, on);
	    return vm;
	  };

	  Vue.prototype.$off = function (event, fn) {
	    var vm = this; // all

	    if (!arguments.length) {
	      vm._events = Object.create(null);
	      return vm;
	    } // array of events


	    if (Array.isArray(event)) {
	      for (var _i = 0, l = event.length; _i < l; _i++) {
	        vm.$off(event[_i], fn);
	      }

	      return vm;
	    } // specific event


	    var cbs = vm._events[event];

	    if (!cbs) {
	      return vm;
	    }

	    if (!fn) {
	      vm._events[event] = null;
	      return vm;
	    } // specific handler


	    var cb;
	    var i = cbs.length;

	    while (i--) {
	      cb = cbs[i];

	      if (cb === fn || cb.fn === fn) {
	        cbs.splice(i, 1);
	        break;
	      }
	    }

	    return vm;
	  };

	  Vue.prototype.$emit = function (event) {
	    var vm = this;
	    {
	      var lowerCaseEvent = event.toLowerCase();

	      if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
	        tip("Event \"".concat(lowerCaseEvent, "\" is emitted in component ") + "".concat(formatComponentName(vm), " but the handler is registered for \"").concat(event, "\". ") + "Note that HTML attributes are case-insensitive and you cannot use " + "v-on to listen to camelCase events when using in-DOM templates. " + "You should probably use \"".concat(hyphenate(event), "\" instead of \"").concat(event, "\"."));
	      }
	    }
	    var cbs = vm._events[event];

	    if (cbs) {
	      cbs = cbs.length > 1 ? toArray(cbs) : cbs;
	      var args = toArray(arguments, 1);
	      var info = "event handler for \"".concat(event, "\"");

	      for (var i = 0, l = cbs.length; i < l; i++) {
	        invokeWithErrorHandling(cbs[i], vm, args, vm, info);
	      }
	    }

	    return vm;
	  };
	}
	/*  */


	var activeInstance = null;
	var isUpdatingChildComponent = false;

	function setActiveInstance(vm) {
	  var prevActiveInstance = activeInstance;
	  activeInstance = vm;
	  return function () {
	    activeInstance = prevActiveInstance;
	  };
	}

	function initLifecycle(vm) {
	  var options = vm.$options; // locate first non-abstract parent

	  var parent = options.parent;

	  if (parent && !options["abstract"]) {
	    while (parent.$options["abstract"] && parent.$parent) {
	      parent = parent.$parent;
	    }

	    parent.$children.push(vm);
	  }

	  vm.$parent = parent;
	  vm.$root = parent ? parent.$root : vm;
	  vm.$children = [];
	  vm.$refs = {};
	  vm._watcher = null;
	  vm._inactive = null;
	  vm._directInactive = false;
	  vm._isMounted = false;
	  vm._isDestroyed = false;
	  vm._isBeingDestroyed = false;
	}

	function lifecycleMixin(Vue) {
	  Vue.prototype._update = function (vnode, hydrating) {
	    var vm = this;
	    var prevEl = vm.$el;
	    var prevVnode = vm._vnode;
	    var restoreActiveInstance = setActiveInstance(vm);
	    vm._vnode = vnode; // Vue.prototype.__patch__ is injected in entry points
	    // based on the rendering backend used.

	    if (!prevVnode) {
	      // initial render
	      vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false
	      /* removeOnly */
	      );
	    } else {
	      // updates
	      vm.$el = vm.__patch__(prevVnode, vnode);
	    }

	    restoreActiveInstance(); // update __vue__ reference

	    if (prevEl) {
	      prevEl.__vue__ = null;
	    }

	    if (vm.$el) {
	      vm.$el.__vue__ = vm;
	    } // if parent is an HOC, update its $el as well


	    if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
	      vm.$parent.$el = vm.$el;
	    } // updated hook is called by the scheduler to ensure that children are
	    // updated in a parent's updated hook.

	  };

	  Vue.prototype.$forceUpdate = function () {
	    var vm = this;

	    if (vm._watcher) {
	      vm._watcher.update();
	    }
	  };

	  Vue.prototype.$destroy = function () {
	    var vm = this;

	    if (vm._isBeingDestroyed) {
	      return;
	    }

	    callHook(vm, 'beforeDestroy');
	    vm._isBeingDestroyed = true; // remove self from parent

	    var parent = vm.$parent;

	    if (parent && !parent._isBeingDestroyed && !vm.$options["abstract"]) {
	      remove(parent.$children, vm);
	    } // teardown watchers


	    if (vm._watcher) {
	      vm._watcher.teardown();
	    }

	    var i = vm._watchers.length;

	    while (i--) {
	      vm._watchers[i].teardown();
	    } // remove reference from data ob
	    // frozen object may not have observer.


	    if (vm._data.__ob__) {
	      vm._data.__ob__.vmCount--;
	    } // call the last hook...


	    vm._isDestroyed = true; // invoke destroy hooks on current rendered tree

	    vm.__patch__(vm._vnode, null); // fire destroyed hook


	    callHook(vm, 'destroyed'); // turn off all instance listeners.

	    vm.$off(); // remove __vue__ reference

	    if (vm.$el) {
	      vm.$el.__vue__ = null;
	    } // release circular reference (#6759)


	    if (vm.$vnode) {
	      vm.$vnode.parent = null;
	    }
	  };
	}

	function mountComponent(vm, el, hydrating) {
	  vm.$el = el;

	  if (!vm.$options.render) {
	    vm.$options.render = createEmptyVNode;
	    {
	      /* istanbul ignore if */
	      if (vm.$options.template && vm.$options.template.charAt(0) !== '#' || vm.$options.el || el) {
	        warn('You are using the runtime-only build of Vue where the template ' + 'compiler is not available. Either pre-compile the templates into ' + 'render functions, or use the compiler-included build.', vm);
	      } else {
	        warn('Failed to mount component: template or render function not defined.', vm);
	      }
	    }
	  }

	  callHook(vm, 'beforeMount');
	  var updateComponent;
	  /* istanbul ignore if */

	  if (config.performance && mark) {
	    updateComponent = function updateComponent() {
	      var name = vm._name;
	      var id = vm._uid;
	      var startTag = "vue-perf-start:".concat(id);
	      var endTag = "vue-perf-end:".concat(id);
	      mark(startTag);

	      var vnode = vm._render();

	      mark(endTag);
	      measure("vue ".concat(name, " render"), startTag, endTag);
	      mark(startTag);

	      vm._update(vnode, hydrating);

	      mark(endTag);
	      measure("vue ".concat(name, " patch"), startTag, endTag);
	    };
	  } else {
	    updateComponent = function updateComponent() {
	      vm._update(vm._render(), hydrating);
	    };
	  } // we set this to vm._watcher inside the watcher's constructor
	  // since the watcher's initial patch may call $forceUpdate (e.g. inside child
	  // component's mounted hook), which relies on vm._watcher being already defined


	  new Watcher(vm, updateComponent, noop, {
	    before: function before() {
	      if (vm._isMounted && !vm._isDestroyed) {
	        callHook(vm, 'beforeUpdate');
	      }
	    }
	  }, true
	  /* isRenderWatcher */
	  );
	  hydrating = false; // manually mounted instance, call mounted on self
	  // mounted is called for render-created child components in its inserted hook

	  if (vm.$vnode == null) {
	    vm._isMounted = true;
	    callHook(vm, 'mounted');
	  }

	  return vm;
	}

	function updateChildComponent(vm, propsData, listeners, parentVnode, renderChildren) {
	  {
	    isUpdatingChildComponent = true;
	  } // determine whether component has slot children
	  // we need to do this before overwriting $options._renderChildren.
	  // check if there are dynamic scopedSlots (hand-written or compiled but with
	  // dynamic slot names). Static scoped slots compiled from template has the
	  // "$stable" marker.

	  var newScopedSlots = parentVnode.data.scopedSlots;
	  var oldScopedSlots = vm.$scopedSlots;
	  var hasDynamicScopedSlot = !!(newScopedSlots && !newScopedSlots.$stable || oldScopedSlots !== emptyObject && !oldScopedSlots.$stable || newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key || !newScopedSlots && vm.$scopedSlots.$key); // Any static slot children from the parent may have changed during parent's
	  // update. Dynamic scoped slots may also have changed. In such cases, a forced
	  // update is necessary to ensure correctness.

	  var needsForceUpdate = !!(renderChildren || // has new static slots
	  vm.$options._renderChildren || // has old static slots
	  hasDynamicScopedSlot);
	  vm.$options._parentVnode = parentVnode;
	  vm.$vnode = parentVnode; // update vm's placeholder node without re-render

	  if (vm._vnode) {
	    // update child tree's parent
	    vm._vnode.parent = parentVnode;
	  }

	  vm.$options._renderChildren = renderChildren; // update $attrs and $listeners hash
	  // these are also reactive so they may trigger child update if the child
	  // used them during render

	  vm.$attrs = parentVnode.data.attrs || emptyObject;
	  vm.$listeners = listeners || emptyObject; // update props

	  if (propsData && vm.$options.props) {
	    toggleObserving(false);
	    var _props = vm._props;
	    var propKeys = vm.$options._propKeys || [];

	    for (var i = 0; i < propKeys.length; i++) {
	      var key = propKeys[i];
	      var propOptions = vm.$options.props; // wtf flow?

	      _props[key] = validateProp(key, propOptions, propsData, vm);
	    }

	    toggleObserving(true); // keep a copy of raw propsData

	    vm.$options.propsData = propsData;
	  } // update listeners


	  listeners = listeners || emptyObject;
	  var oldListeners = vm.$options._parentListeners;
	  vm.$options._parentListeners = listeners;
	  updateComponentListeners(vm, listeners, oldListeners); // resolve slots + force update if has children

	  if (needsForceUpdate) {
	    vm.$slots = resolveSlots(renderChildren, parentVnode.context);
	    vm.$forceUpdate();
	  }

	  {
	    isUpdatingChildComponent = false;
	  }
	}

	function isInInactiveTree(vm) {
	  while (vm && (vm = vm.$parent)) {
	    if (vm._inactive) return true;
	  }

	  return false;
	}

	function activateChildComponent(vm, direct) {
	  if (direct) {
	    vm._directInactive = false;

	    if (isInInactiveTree(vm)) {
	      return;
	    }
	  } else if (vm._directInactive) {
	    return;
	  }

	  if (vm._inactive || vm._inactive === null) {
	    vm._inactive = false;

	    for (var i = 0; i < vm.$children.length; i++) {
	      activateChildComponent(vm.$children[i]);
	    }

	    callHook(vm, 'activated');
	  }
	}

	function deactivateChildComponent(vm, direct) {
	  if (direct) {
	    vm._directInactive = true;

	    if (isInInactiveTree(vm)) {
	      return;
	    }
	  }

	  if (!vm._inactive) {
	    vm._inactive = true;

	    for (var i = 0; i < vm.$children.length; i++) {
	      deactivateChildComponent(vm.$children[i]);
	    }

	    callHook(vm, 'deactivated');
	  }
	}

	function callHook(vm, hook) {
	  // #7573 disable dep collection when invoking lifecycle hooks
	  pushTarget();
	  var handlers = vm.$options[hook];
	  var info = "".concat(hook, " hook");

	  if (handlers) {
	    for (var i = 0, j = handlers.length; i < j; i++) {
	      invokeWithErrorHandling(handlers[i], vm, null, vm, info);
	    }
	  }

	  if (vm._hasHookEvent) {
	    vm.$emit('hook:' + hook);
	  }

	  popTarget();
	}
	/*  */


	var MAX_UPDATE_COUNT = 100;
	var queue = [];
	var activatedChildren = [];
	var has = {};
	var circular = {};
	var waiting = false;
	var flushing = false;
	var index = 0;
	/**
	 * Reset the scheduler's state.
	 */

	function resetSchedulerState() {
	  index = queue.length = activatedChildren.length = 0;
	  has = {};
	  {
	    circular = {};
	  }
	  waiting = flushing = false;
	} // Async edge case #6566 requires saving the timestamp when event listeners are
	// attached. However, calling performance.now() has a perf overhead especially
	// if the page has thousands of event listeners. Instead, we take a timestamp
	// every time the scheduler flushes and use that for all event listeners
	// attached during that flush.


	var currentFlushTimestamp = 0; // Async edge case fix requires storing an event listener's attach timestamp.

	var getNow = Date.now; // Determine what event timestamp the browser is using. Annoyingly, the
	// timestamp can either be hi-res (relative to page load) or low-res
	// (relative to UNIX epoch), so in order to compare time we have to use the
	// same timestamp type when saving the flush timestamp.
	// All IE versions use low-res event timestamps, and have problematic clock
	// implementations (#9632)

	if (inBrowser && !isIE) {
	  var performance = window.performance;

	  if (performance && typeof performance.now === 'function' && getNow() > document.createEvent('Event').timeStamp) {
	    // if the event timestamp, although evaluated AFTER the Date.now(), is
	    // smaller than it, it means the event is using a hi-res timestamp,
	    // and we need to use the hi-res version for event listener timestamps as
	    // well.
	    getNow = function getNow() {
	      return performance.now();
	    };
	  }
	}
	/**
	 * Flush both queues and run the watchers.
	 */


	function flushSchedulerQueue() {
	  currentFlushTimestamp = getNow();
	  flushing = true;
	  var watcher, id; // Sort queue before flush.
	  // This ensures that:
	  // 1. Components are updated from parent to child. (because parent is always
	  //    created before the child)
	  // 2. A component's user watchers are run before its render watcher (because
	  //    user watchers are created before the render watcher)
	  // 3. If a component is destroyed during a parent component's watcher run,
	  //    its watchers can be skipped.

	  queue.sort(function (a, b) {
	    return a.id - b.id;
	  }); // do not cache length because more watchers might be pushed
	  // as we run existing watchers

	  for (index = 0; index < queue.length; index++) {
	    watcher = queue[index];

	    if (watcher.before) {
	      watcher.before();
	    }

	    id = watcher.id;
	    has[id] = null;
	    watcher.run(); // in dev build, check and stop circular updates.

	    if (has[id] != null) {
	      circular[id] = (circular[id] || 0) + 1;

	      if (circular[id] > MAX_UPDATE_COUNT) {
	        warn('You may have an infinite update loop ' + (watcher.user ? "in watcher with expression \"".concat(watcher.expression, "\"") : "in a component render function."), watcher.vm);
	        break;
	      }
	    }
	  } // keep copies of post queues before resetting state


	  var activatedQueue = activatedChildren.slice();
	  var updatedQueue = queue.slice();
	  resetSchedulerState(); // call component updated and activated hooks

	  callActivatedHooks(activatedQueue);
	  callUpdatedHooks(updatedQueue); // devtool hook

	  /* istanbul ignore if */

	  if (devtools && config.devtools) {
	    devtools.emit('flush');
	  }
	}

	function callUpdatedHooks(queue) {
	  var i = queue.length;

	  while (i--) {
	    var watcher = queue[i];
	    var vm = watcher.vm;

	    if (vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {
	      callHook(vm, 'updated');
	    }
	  }
	}
	/**
	 * Queue a kept-alive component that was activated during patch.
	 * The queue will be processed after the entire tree has been patched.
	 */


	function queueActivatedComponent(vm) {
	  // setting _inactive to false here so that a render function can
	  // rely on checking whether it's in an inactive tree (e.g. router-view)
	  vm._inactive = false;
	  activatedChildren.push(vm);
	}

	function callActivatedHooks(queue) {
	  for (var i = 0; i < queue.length; i++) {
	    queue[i]._inactive = true;
	    activateChildComponent(queue[i], true
	    /* true */
	    );
	  }
	}
	/**
	 * Push a watcher into the watcher queue.
	 * Jobs with duplicate IDs will be skipped unless it's
	 * pushed when the queue is being flushed.
	 */


	function queueWatcher(watcher) {
	  var id = watcher.id;

	  if (has[id] == null) {
	    has[id] = true;

	    if (!flushing) {
	      queue.push(watcher);
	    } else {
	      // if already flushing, splice the watcher based on its id
	      // if already past its id, it will be run next immediately.
	      var i = queue.length - 1;

	      while (i > index && queue[i].id > watcher.id) {
	        i--;
	      }

	      queue.splice(i + 1, 0, watcher);
	    } // queue the flush


	    if (!waiting) {
	      waiting = true;

	      if (!config.async) {
	        flushSchedulerQueue();
	        return;
	      }

	      nextTick(flushSchedulerQueue);
	    }
	  }
	}
	/*  */


	var uid$2 = 0;
	/**
	 * A watcher parses an expression, collects dependencies,
	 * and fires callback when the expression value changes.
	 * This is used for both the $watch() api and directives.
	 */

	var Watcher = /*#__PURE__*/function () {
	  function Watcher(vm, expOrFn, cb, options, isRenderWatcher) {
	    babelHelpers.classCallCheck(this, Watcher);
	    this.vm = vm;

	    if (isRenderWatcher) {
	      vm._watcher = this;
	    }

	    vm._watchers.push(this); // options


	    if (options) {
	      this.deep = !!options.deep;
	      this.user = !!options.user;
	      this.lazy = !!options.lazy;
	      this.sync = !!options.sync;
	      this.before = options.before;
	    } else {
	      this.deep = this.user = this.lazy = this.sync = false;
	    }

	    this.cb = cb;
	    this.id = ++uid$2; // uid for batching

	    this.active = true;
	    this.dirty = this.lazy; // for lazy watchers

	    this.deps = [];
	    this.newDeps = [];
	    this.depIds = new _Set();
	    this.newDepIds = new _Set();
	    this.expression = expOrFn.toString(); // parse expression for getter

	    if (typeof expOrFn === 'function') {
	      this.getter = expOrFn;
	    } else {
	      this.getter = parsePath(expOrFn);

	      if (!this.getter) {
	        this.getter = noop;
	        warn("Failed watching path: \"".concat(expOrFn, "\" ") + 'Watcher only accepts simple dot-delimited paths. ' + 'For full control, use a function instead.', vm);
	      }
	    }

	    this.value = this.lazy ? undefined : this.get();
	  }
	  /**
	   * Evaluate the getter, and re-collect dependencies.
	   */


	  babelHelpers.createClass(Watcher, [{
	    key: "get",
	    value: function get() {
	      pushTarget(this);
	      var value;
	      var vm = this.vm;

	      try {
	        value = this.getter.call(vm, vm);
	      } catch (e) {
	        if (this.user) {
	          handleError(e, vm, "getter for watcher \"".concat(this.expression, "\""));
	        } else {
	          throw e;
	        }
	      } finally {
	        // "touch" every property so they are all tracked as
	        // dependencies for deep watching
	        if (this.deep) {
	          traverse(value);
	        }

	        popTarget();
	        this.cleanupDeps();
	      }

	      return value;
	    }
	    /**
	     * Add a dependency to this directive.
	     */

	  }, {
	    key: "addDep",
	    value: function addDep(dep) {
	      var id = dep.id;

	      if (!this.newDepIds.has(id)) {
	        this.newDepIds.add(id);
	        this.newDeps.push(dep);

	        if (!this.depIds.has(id)) {
	          dep.addSub(this);
	        }
	      }
	    }
	    /**
	     * Clean up for dependency collection.
	     */

	  }, {
	    key: "cleanupDeps",
	    value: function cleanupDeps() {
	      var i = this.deps.length;

	      while (i--) {
	        var dep = this.deps[i];

	        if (!this.newDepIds.has(dep.id)) {
	          dep.removeSub(this);
	        }
	      }

	      var tmp = this.depIds;
	      this.depIds = this.newDepIds;
	      this.newDepIds = tmp;
	      this.newDepIds.clear();
	      tmp = this.deps;
	      this.deps = this.newDeps;
	      this.newDeps = tmp;
	      this.newDeps.length = 0;
	    }
	    /**
	     * Subscriber interface.
	     * Will be called when a dependency changes.
	     */

	  }, {
	    key: "update",
	    value: function update() {
	      /* istanbul ignore else */
	      if (this.lazy) {
	        this.dirty = true;
	      } else if (this.sync) {
	        this.run();
	      } else {
	        queueWatcher(this);
	      }
	    }
	    /**
	     * Scheduler job interface.
	     * Will be called by the scheduler.
	     */

	  }, {
	    key: "run",
	    value: function run() {
	      if (this.active) {
	        var value = this.get();

	        if (value !== this.value || // Deep watchers and watchers on Object/Arrays should fire even
	        // when the value is the same, because the value may
	        // have mutated.
	        isObject(value) || this.deep) {
	          // set new value
	          var oldValue = this.value;
	          this.value = value;

	          if (this.user) {
	            var info = "callback for watcher \"".concat(this.expression, "\"");
	            invokeWithErrorHandling(this.cb, this.vm, [value, oldValue], this.vm, info);
	          } else {
	            this.cb.call(this.vm, value, oldValue);
	          }
	        }
	      }
	    }
	    /**
	     * Evaluate the value of the watcher.
	     * This only gets called for lazy watchers.
	     */

	  }, {
	    key: "evaluate",
	    value: function evaluate() {
	      this.value = this.get();
	      this.dirty = false;
	    }
	    /**
	     * Depend on all deps collected by this watcher.
	     */

	  }, {
	    key: "depend",
	    value: function depend() {
	      var i = this.deps.length;

	      while (i--) {
	        this.deps[i].depend();
	      }
	    }
	    /**
	     * Remove self from all dependencies' subscriber list.
	     */

	  }, {
	    key: "teardown",
	    value: function teardown() {
	      if (this.active) {
	        // remove self from vm's watcher list
	        // this is a somewhat expensive operation so we skip it
	        // if the vm is being destroyed.
	        if (!this.vm._isBeingDestroyed) {
	          remove(this.vm._watchers, this);
	        }

	        var i = this.deps.length;

	        while (i--) {
	          this.deps[i].removeSub(this);
	        }

	        this.active = false;
	      }
	    }
	  }]);
	  return Watcher;
	}();
	/*  */


	var sharedPropertyDefinition = {
	  enumerable: true,
	  configurable: true,
	  get: noop,
	  set: noop
	};

	function proxy(target, sourceKey, key) {
	  sharedPropertyDefinition.get = function proxyGetter() {
	    return this[sourceKey][key];
	  };

	  sharedPropertyDefinition.set = function proxySetter(val) {
	    this[sourceKey][key] = val;
	  };

	  Object.defineProperty(target, key, sharedPropertyDefinition);
	}

	function initState(vm) {
	  vm._watchers = [];
	  var opts = vm.$options;
	  if (opts.props) initProps(vm, opts.props);
	  if (opts.methods) initMethods(vm, opts.methods);

	  if (opts.data) {
	    initData(vm);
	  } else {
	    observe(vm._data = {}, true
	    /* asRootData */
	    );
	  }

	  if (opts.computed) initComputed(vm, opts.computed);

	  if (opts.watch && opts.watch !== nativeWatch) {
	    initWatch(vm, opts.watch);
	  }
	}

	function initProps(vm, propsOptions) {
	  var propsData = vm.$options.propsData || {};
	  var props = vm._props = {}; // cache prop keys so that future props updates can iterate using Array
	  // instead of dynamic object key enumeration.

	  var keys = vm.$options._propKeys = [];
	  var isRoot = !vm.$parent; // root instance props should be converted

	  if (!isRoot) {
	    toggleObserving(false);
	  }

	  var _loop2 = function _loop2(key) {
	    keys.push(key);
	    var value = validateProp(key, propsOptions, propsData, vm);
	    /* istanbul ignore else */

	    {
	      var hyphenatedKey = hyphenate(key);

	      if (isReservedAttribute(hyphenatedKey) || config.isReservedAttr(hyphenatedKey)) {
	        warn("\"".concat(hyphenatedKey, "\" is a reserved attribute and cannot be used as component prop."), vm);
	      }

	      defineReactive$$1(props, key, value, function () {
	        if (!isRoot && !isUpdatingChildComponent) {
	          warn("Avoid mutating a prop directly since the value will be " + "overwritten whenever the parent component re-renders. " + "Instead, use a data or computed property based on the prop's " + "value. Prop being mutated: \"".concat(key, "\""), vm);
	        }
	      });
	    } // static props are already proxied on the component's prototype
	    // during Vue.extend(). We only need to proxy props defined at
	    // instantiation here.

	    if (!(key in vm)) {
	      proxy(vm, "_props", key);
	    }
	  };

	  for (var key in propsOptions) {
	    _loop2(key);
	  }

	  toggleObserving(true);
	}

	function initData(vm) {
	  var data = vm.$options.data;
	  data = vm._data = typeof data === 'function' ? getData(data, vm) : data || {};

	  if (!isPlainObject(data)) {
	    data = {};
	    warn('data functions should return an object:\n' + 'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function', vm);
	  } // proxy data on instance


	  var keys = Object.keys(data);
	  var props = vm.$options.props;
	  var methods = vm.$options.methods;
	  var i = keys.length;

	  while (i--) {
	    var key = keys[i];
	    {
	      if (methods && hasOwn(methods, key)) {
	        warn("Method \"".concat(key, "\" has already been defined as a data property."), vm);
	      }
	    }

	    if (props && hasOwn(props, key)) {
	      warn("The data property \"".concat(key, "\" is already declared as a prop. ") + "Use prop default value instead.", vm);
	    } else if (!isReserved(key)) {
	      proxy(vm, "_data", key);
	    }
	  } // observe data


	  observe(data, true
	  /* asRootData */
	  );
	}

	function getData(data, vm) {
	  // #7573 disable dep collection when invoking data getters
	  pushTarget();

	  try {
	    return data.call(vm, vm);
	  } catch (e) {
	    handleError(e, vm, "data()");
	    return {};
	  } finally {
	    popTarget();
	  }
	}

	var computedWatcherOptions = {
	  lazy: true
	};

	function initComputed(vm, computed) {
	  // $flow-disable-line
	  var watchers = vm._computedWatchers = Object.create(null); // computed properties are just getters during SSR

	  var isSSR = isServerRendering();

	  for (var key in computed) {
	    var userDef = computed[key];
	    var getter = typeof userDef === 'function' ? userDef : userDef.get;

	    if (getter == null) {
	      warn("Getter is missing for computed property \"".concat(key, "\"."), vm);
	    }

	    if (!isSSR) {
	      // create internal watcher for the computed property.
	      watchers[key] = new Watcher(vm, getter || noop, noop, computedWatcherOptions);
	    } // component-defined computed properties are already defined on the
	    // component prototype. We only need to define computed properties defined
	    // at instantiation here.


	    if (!(key in vm)) {
	      defineComputed(vm, key, userDef);
	    } else {
	      if (key in vm.$data) {
	        warn("The computed property \"".concat(key, "\" is already defined in data."), vm);
	      } else if (vm.$options.props && key in vm.$options.props) {
	        warn("The computed property \"".concat(key, "\" is already defined as a prop."), vm);
	      } else if (vm.$options.methods && key in vm.$options.methods) {
	        warn("The computed property \"".concat(key, "\" is already defined as a method."), vm);
	      }
	    }
	  }
	}

	function defineComputed(target, key, userDef) {
	  var shouldCache = !isServerRendering();

	  if (typeof userDef === 'function') {
	    sharedPropertyDefinition.get = shouldCache ? createComputedGetter(key) : createGetterInvoker(userDef);
	    sharedPropertyDefinition.set = noop;
	  } else {
	    sharedPropertyDefinition.get = userDef.get ? shouldCache && userDef.cache !== false ? createComputedGetter(key) : createGetterInvoker(userDef.get) : noop;
	    sharedPropertyDefinition.set = userDef.set || noop;
	  }

	  if (sharedPropertyDefinition.set === noop) {
	    sharedPropertyDefinition.set = function () {
	      warn("Computed property \"".concat(key, "\" was assigned to but it has no setter."), this);
	    };
	  }

	  Object.defineProperty(target, key, sharedPropertyDefinition);
	}

	function createComputedGetter(key) {
	  return function computedGetter() {
	    var watcher = this._computedWatchers && this._computedWatchers[key];

	    if (watcher) {
	      if (watcher.dirty) {
	        watcher.evaluate();
	      }

	      if (Dep.target) {
	        watcher.depend();
	      }

	      return watcher.value;
	    }
	  };
	}

	function createGetterInvoker(fn) {
	  return function computedGetter() {
	    return fn.call(this, this);
	  };
	}

	function initMethods(vm, methods) {
	  var props = vm.$options.props;

	  for (var key in methods) {
	    {
	      if (typeof methods[key] !== 'function') {
	        warn("Method \"".concat(key, "\" has type \"").concat(babelHelpers["typeof"](methods[key]), "\" in the component definition. ") + "Did you reference the function correctly?", vm);
	      }

	      if (props && hasOwn(props, key)) {
	        warn("Method \"".concat(key, "\" has already been defined as a prop."), vm);
	      }

	      if (key in vm && isReserved(key)) {
	        warn("Method \"".concat(key, "\" conflicts with an existing Vue instance method. ") + "Avoid defining component methods that start with _ or $.");
	      }
	    }
	    vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm);
	  }
	}

	function initWatch(vm, watch) {
	  for (var key in watch) {
	    var handler = watch[key];

	    if (Array.isArray(handler)) {
	      for (var i = 0; i < handler.length; i++) {
	        createWatcher(vm, key, handler[i]);
	      }
	    } else {
	      createWatcher(vm, key, handler);
	    }
	  }
	}

	function createWatcher(vm, expOrFn, handler, options) {
	  if (isPlainObject(handler)) {
	    options = handler;
	    handler = handler.handler;
	  }

	  if (typeof handler === 'string') {
	    handler = vm[handler];
	  }

	  return vm.$watch(expOrFn, handler, options);
	}

	function stateMixin(Vue) {
	  // flow somehow has problems with directly declared definition object
	  // when using Object.defineProperty, so we have to procedurally build up
	  // the object here.
	  var dataDef = {};

	  dataDef.get = function () {
	    return this._data;
	  };

	  var propsDef = {};

	  propsDef.get = function () {
	    return this._props;
	  };

	  {
	    dataDef.set = function () {
	      warn('Avoid replacing instance root $data. ' + 'Use nested data properties instead.', this);
	    };

	    propsDef.set = function () {
	      warn("$props is readonly.", this);
	    };
	  }
	  Object.defineProperty(Vue.prototype, '$data', dataDef);
	  Object.defineProperty(Vue.prototype, '$props', propsDef);
	  Vue.prototype.$set = set;
	  Vue.prototype.$delete = del;

	  Vue.prototype.$watch = function (expOrFn, cb, options) {
	    var vm = this;

	    if (isPlainObject(cb)) {
	      return createWatcher(vm, expOrFn, cb, options);
	    }

	    options = options || {};
	    options.user = true;
	    var watcher = new Watcher(vm, expOrFn, cb, options);

	    if (options.immediate) {
	      var info = "callback for immediate watcher \"".concat(watcher.expression, "\"");
	      pushTarget();
	      invokeWithErrorHandling(cb, vm, [watcher.value], vm, info);
	      popTarget();
	    }

	    return function unwatchFn() {
	      watcher.teardown();
	    };
	  };
	}
	/*  */


	var uid$3 = 0;

	function initMixin(Vue) {
	  Vue.prototype._init = function (options) {
	    var vm = this; // a uid

	    vm._uid = uid$3++;
	    var startTag, endTag;
	    /* istanbul ignore if */

	    if (config.performance && mark) {
	      startTag = "vue-perf-start:".concat(vm._uid);
	      endTag = "vue-perf-end:".concat(vm._uid);
	      mark(startTag);
	    } // a flag to avoid this being observed


	    vm._isVue = true; // merge options

	    if (options && options._isComponent) {
	      // optimize internal component instantiation
	      // since dynamic options merging is pretty slow, and none of the
	      // internal component options needs special treatment.
	      initInternalComponent(vm, options);
	    } else {
	      vm.$options = mergeOptions(resolveConstructorOptions(vm.constructor), options || {}, vm);
	    }
	    /* istanbul ignore else */


	    {
	      initProxy(vm);
	    } // expose real self

	    vm._self = vm;
	    initLifecycle(vm);
	    initEvents(vm);
	    initRender(vm);
	    callHook(vm, 'beforeCreate');
	    initInjections(vm); // resolve injections before data/props

	    initState(vm);
	    initProvide(vm); // resolve provide after data/props

	    callHook(vm, 'created');
	    /* istanbul ignore if */

	    if (config.performance && mark) {
	      vm._name = formatComponentName(vm, false);
	      mark(endTag);
	      measure("vue ".concat(vm._name, " init"), startTag, endTag);
	    }

	    if (vm.$options.el) {
	      vm.$mount(vm.$options.el);
	    }
	  };
	}

	function initInternalComponent(vm, options) {
	  var opts = vm.$options = Object.create(vm.constructor.options); // doing this because it's faster than dynamic enumeration.

	  var parentVnode = options._parentVnode;
	  opts.parent = options.parent;
	  opts._parentVnode = parentVnode;
	  var vnodeComponentOptions = parentVnode.componentOptions;
	  opts.propsData = vnodeComponentOptions.propsData;
	  opts._parentListeners = vnodeComponentOptions.listeners;
	  opts._renderChildren = vnodeComponentOptions.children;
	  opts._componentTag = vnodeComponentOptions.tag;

	  if (options.render) {
	    opts.render = options.render;
	    opts.staticRenderFns = options.staticRenderFns;
	  }
	}

	function resolveConstructorOptions(Ctor) {
	  var options = Ctor.options;

	  if (Ctor["super"]) {
	    var superOptions = resolveConstructorOptions(Ctor["super"]);
	    var cachedSuperOptions = Ctor.superOptions;

	    if (superOptions !== cachedSuperOptions) {
	      // super option changed,
	      // need to resolve new options.
	      Ctor.superOptions = superOptions; // check if there are any late-modified/attached options (#4976)

	      var modifiedOptions = resolveModifiedOptions(Ctor); // update base extend options

	      if (modifiedOptions) {
	        extend(Ctor.extendOptions, modifiedOptions);
	      }

	      options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);

	      if (options.name) {
	        options.components[options.name] = Ctor;
	      }
	    }
	  }

	  return options;
	}

	function resolveModifiedOptions(Ctor) {
	  var modified;
	  var latest = Ctor.options;
	  var sealed = Ctor.sealedOptions;

	  for (var key in latest) {
	    if (latest[key] !== sealed[key]) {
	      if (!modified) modified = {};
	      modified[key] = latest[key];
	    }
	  }

	  return modified;
	}

	function Vue(options) {
	  if (!(this instanceof Vue)) {
	    warn('Vue is a constructor and should be called with the `new` keyword');
	  }

	  this._init(options);
	}

	initMixin(Vue);
	stateMixin(Vue);
	eventsMixin(Vue);
	lifecycleMixin(Vue);
	renderMixin(Vue);
	/*  */

	function initUse(Vue) {
	  Vue.use = function (plugin) {
	    var installedPlugins = this._installedPlugins || (this._installedPlugins = []);

	    if (installedPlugins.indexOf(plugin) > -1) {
	      return this;
	    } // additional parameters


	    var args = toArray(arguments, 1);
	    args.unshift(this);

	    if (typeof plugin.install === 'function') {
	      plugin.install.apply(plugin, args);
	    } else if (typeof plugin === 'function') {
	      plugin.apply(null, args);
	    }

	    installedPlugins.push(plugin);
	    return this;
	  };
	}
	/*  */


	function initMixin$1(Vue) {
	  Vue.mixin = function (mixin) {
	    this.options = mergeOptions(this.options, mixin);
	    return this;
	  };
	}
	/*  */


	function initExtend(Vue) {
	  /**
	   * Each instance constructor, including Vue, has a unique
	   * cid. This enables us to create wrapped "child
	   * constructors" for prototypal inheritance and cache them.
	   */
	  Vue.cid = 0;
	  var cid = 1;
	  /**
	   * Class inheritance
	   */

	  Vue.extend = function (extendOptions) {
	    extendOptions = extendOptions || {};
	    var Super = this;
	    var SuperId = Super.cid;
	    var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});

	    if (cachedCtors[SuperId]) {
	      return cachedCtors[SuperId];
	    }

	    var name = extendOptions.name || Super.options.name;

	    if (name) {
	      validateComponentName(name);
	    }

	    var Sub = function VueComponent(options) {
	      this._init(options);
	    };

	    Sub.prototype = Object.create(Super.prototype);
	    Sub.prototype.constructor = Sub;
	    Sub.cid = cid++;
	    Sub.options = mergeOptions(Super.options, extendOptions);
	    Sub['super'] = Super; // For props and computed properties, we define the proxy getters on
	    // the Vue instances at extension time, on the extended prototype. This
	    // avoids Object.defineProperty calls for each instance created.

	    if (Sub.options.props) {
	      initProps$1(Sub);
	    }

	    if (Sub.options.computed) {
	      initComputed$1(Sub);
	    } // allow further extension/mixin/plugin usage


	    Sub.extend = Super.extend;
	    Sub.mixin = Super.mixin;
	    Sub.use = Super.use; // create asset registers, so extended classes
	    // can have their private assets too.

	    ASSET_TYPES.forEach(function (type) {
	      Sub[type] = Super[type];
	    }); // enable recursive self-lookup

	    if (name) {
	      Sub.options.components[name] = Sub;
	    } // keep a reference to the super options at extension time.
	    // later at instantiation we can check if Super's options have
	    // been updated.


	    Sub.superOptions = Super.options;
	    Sub.extendOptions = extendOptions;
	    Sub.sealedOptions = extend({}, Sub.options); // cache constructor

	    cachedCtors[SuperId] = Sub;
	    return Sub;
	  };
	}

	function initProps$1(Comp) {
	  var props = Comp.options.props;

	  for (var key in props) {
	    proxy(Comp.prototype, "_props", key);
	  }
	}

	function initComputed$1(Comp) {
	  var computed = Comp.options.computed;

	  for (var key in computed) {
	    defineComputed(Comp.prototype, key, computed[key]);
	  }
	}
	/*  */


	function initAssetRegisters(Vue) {
	  /**
	   * Create asset registration methods.
	   */
	  ASSET_TYPES.forEach(function (type) {
	    Vue[type] = function (id, definition) {
	      if (!definition) {
	        return this.options[type + 's'][id];
	      } else {
	        /* istanbul ignore if */
	        if (type === 'component') {
	          validateComponentName(id);
	        }

	        if (type === 'component' && isPlainObject(definition)) {
	          definition.name = definition.name || id;
	          definition = this.options._base.extend(definition);
	        }

	        if (type === 'directive' && typeof definition === 'function') {
	          definition = {
	            bind: definition,
	            update: definition
	          };
	        }

	        this.options[type + 's'][id] = definition;
	        return definition;
	      }
	    };
	  });
	}
	/*  */


	function getComponentName(opts) {
	  return opts && (opts.Ctor.options.name || opts.tag);
	}

	function matches(pattern, name) {
	  if (Array.isArray(pattern)) {
	    return pattern.indexOf(name) > -1;
	  } else if (typeof pattern === 'string') {
	    return pattern.split(',').indexOf(name) > -1;
	  } else if (isRegExp(pattern)) {
	    return pattern.test(name);
	  }
	  /* istanbul ignore next */


	  return false;
	}

	function pruneCache(keepAliveInstance, filter) {
	  var cache = keepAliveInstance.cache,
	      keys = keepAliveInstance.keys,
	      _vnode = keepAliveInstance._vnode;

	  for (var key in cache) {
	    var entry = cache[key];

	    if (entry) {
	      var name = entry.name;

	      if (name && !filter(name)) {
	        pruneCacheEntry(cache, key, keys, _vnode);
	      }
	    }
	  }
	}

	function pruneCacheEntry(cache, key, keys, current) {
	  var entry = cache[key];

	  if (entry && (!current || entry.tag !== current.tag)) {
	    entry.componentInstance.$destroy();
	  }

	  cache[key] = null;
	  remove(keys, key);
	}

	var patternTypes = [String, RegExp, Array];
	var KeepAlive = {
	  name: 'keep-alive',
	  "abstract": true,
	  props: {
	    include: patternTypes,
	    exclude: patternTypes,
	    max: [String, Number]
	  },
	  methods: {
	    cacheVNode: function cacheVNode() {
	      var cache = this.cache,
	          keys = this.keys,
	          vnodeToCache = this.vnodeToCache,
	          keyToCache = this.keyToCache;

	      if (vnodeToCache) {
	        var tag = vnodeToCache.tag,
	            componentInstance = vnodeToCache.componentInstance,
	            componentOptions = vnodeToCache.componentOptions;
	        cache[keyToCache] = {
	          name: getComponentName(componentOptions),
	          tag: tag,
	          componentInstance: componentInstance
	        };
	        keys.push(keyToCache); // prune oldest entry

	        if (this.max && keys.length > parseInt(this.max)) {
	          pruneCacheEntry(cache, keys[0], keys, this._vnode);
	        }

	        this.vnodeToCache = null;
	      }
	    }
	  },
	  created: function created() {
	    this.cache = Object.create(null);
	    this.keys = [];
	  },
	  destroyed: function destroyed() {
	    for (var key in this.cache) {
	      pruneCacheEntry(this.cache, key, this.keys);
	    }
	  },
	  mounted: function mounted() {
	    var _this2 = this;

	    this.cacheVNode();
	    this.$watch('include', function (val) {
	      pruneCache(_this2, function (name) {
	        return matches(val, name);
	      });
	    });
	    this.$watch('exclude', function (val) {
	      pruneCache(_this2, function (name) {
	        return !matches(val, name);
	      });
	    });
	  },
	  updated: function updated() {
	    this.cacheVNode();
	  },
	  render: function render() {
	    var slot = this.$slots["default"];
	    var vnode = getFirstComponentChild(slot);
	    var componentOptions = vnode && vnode.componentOptions;

	    if (componentOptions) {
	      // check pattern
	      var name = getComponentName(componentOptions);
	      var include = this.include,
	          exclude = this.exclude;

	      if ( // not included
	      include && (!name || !matches(include, name)) || // excluded
	      exclude && name && matches(exclude, name)) {
	        return vnode;
	      }

	      var cache = this.cache,
	          keys = this.keys;
	      var key = vnode.key == null // same constructor may get registered as different local components
	      // so cid alone is not enough (#3269)
	      ? componentOptions.Ctor.cid + (componentOptions.tag ? "::".concat(componentOptions.tag) : '') : vnode.key;

	      if (cache[key]) {
	        vnode.componentInstance = cache[key].componentInstance; // make current key freshest

	        remove(keys, key);
	        keys.push(key);
	      } else {
	        // delay setting the cache until update
	        this.vnodeToCache = vnode;
	        this.keyToCache = key;
	      }

	      vnode.data.keepAlive = true;
	    }

	    return vnode || slot && slot[0];
	  }
	};
	var builtInComponents = {
	  KeepAlive: KeepAlive
	};
	/*  */

	function initGlobalAPI(Vue) {
	  // config
	  var configDef = {};

	  configDef.get = function () {
	    return config;
	  };

	  {
	    configDef.set = function () {
	      warn('Do not replace the Vue.config object, set individual fields instead.');
	    };
	  }
	  Object.defineProperty(Vue, 'config', configDef); // exposed util methods.
	  // NOTE: these are not considered part of the public API - avoid relying on
	  // them unless you are aware of the risk.

	  Vue.util = {
	    warn: warn,
	    extend: extend,
	    mergeOptions: mergeOptions,
	    defineReactive: defineReactive$$1
	  };
	  Vue.set = set;
	  Vue["delete"] = del;
	  Vue.nextTick = nextTick; // 2.6 explicit observable API

	  Vue.observable = function (obj) {
	    observe(obj);
	    return obj;
	  };

	  Vue.options = Object.create(null);
	  ASSET_TYPES.forEach(function (type) {
	    Vue.options[type + 's'] = Object.create(null);
	  }); // this is used to identify the "base" constructor to extend all plain-object
	  // components with in Weex's multi-instance scenarios.

	  Vue.options._base = Vue;
	  extend(Vue.options.components, builtInComponents);
	  initUse(Vue);
	  initMixin$1(Vue);
	  initExtend(Vue);
	  initAssetRegisters(Vue);
	}

	initGlobalAPI(Vue);
	Object.defineProperty(Vue.prototype, '$isServer', {
	  get: isServerRendering
	});
	Object.defineProperty(Vue.prototype, '$ssrContext', {
	  get: function get() {
	    /* istanbul ignore next */
	    return this.$vnode && this.$vnode.ssrContext;
	  }
	}); // expose FunctionalRenderContext for ssr runtime helper installation

	Object.defineProperty(Vue, 'FunctionalRenderContext', {
	  value: FunctionalRenderContext
	});
	Vue.version = '2.6.14';
	/*  */
	// these are reserved for web because they are directly compiled away
	// during template compilation

	var isReservedAttr = makeMap('style,class'); // attributes that should be using props for binding

	var acceptValue = makeMap('input,textarea,option,select,progress');

	var mustUseProp = function mustUseProp(tag, type, attr) {
	  return attr === 'value' && acceptValue(tag) && type !== 'button' || attr === 'selected' && tag === 'option' || attr === 'checked' && tag === 'input' || attr === 'muted' && tag === 'video';
	};

	var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
	var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');

	var convertEnumeratedValue = function convertEnumeratedValue(key, value) {
	  return isFalsyAttrValue(value) || value === 'false' ? 'false' // allow arbitrary string value for contenteditable
	  : key === 'contenteditable' && isValidContentEditableValue(value) ? value : 'true';
	};

	var isBooleanAttr = makeMap('allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' + 'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' + 'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' + 'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' + 'required,reversed,scoped,seamless,selected,sortable,' + 'truespeed,typemustmatch,visible');
	var xlinkNS = 'http://www.w3.org/1999/xlink';

	var isXlink = function isXlink(name) {
	  return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink';
	};

	var getXlinkProp = function getXlinkProp(name) {
	  return isXlink(name) ? name.slice(6, name.length) : '';
	};

	var isFalsyAttrValue = function isFalsyAttrValue(val) {
	  return val == null || val === false;
	};
	/*  */


	function genClassForVnode(vnode) {
	  var data = vnode.data;
	  var parentNode = vnode;
	  var childNode = vnode;

	  while (isDef(childNode.componentInstance)) {
	    childNode = childNode.componentInstance._vnode;

	    if (childNode && childNode.data) {
	      data = mergeClassData(childNode.data, data);
	    }
	  }

	  while (isDef(parentNode = parentNode.parent)) {
	    if (parentNode && parentNode.data) {
	      data = mergeClassData(data, parentNode.data);
	    }
	  }

	  return renderClass(data.staticClass, data["class"]);
	}

	function mergeClassData(child, parent) {
	  return {
	    staticClass: concat(child.staticClass, parent.staticClass),
	    "class": isDef(child["class"]) ? [child["class"], parent["class"]] : parent["class"]
	  };
	}

	function renderClass(staticClass, dynamicClass) {
	  if (isDef(staticClass) || isDef(dynamicClass)) {
	    return concat(staticClass, stringifyClass(dynamicClass));
	  }
	  /* istanbul ignore next */


	  return '';
	}

	function concat(a, b) {
	  return a ? b ? a + ' ' + b : a : b || '';
	}

	function stringifyClass(value) {
	  if (Array.isArray(value)) {
	    return stringifyArray(value);
	  }

	  if (isObject(value)) {
	    return stringifyObject(value);
	  }

	  if (typeof value === 'string') {
	    return value;
	  }
	  /* istanbul ignore next */


	  return '';
	}

	function stringifyArray(value) {
	  var res = '';
	  var stringified;

	  for (var i = 0, l = value.length; i < l; i++) {
	    if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
	      if (res) res += ' ';
	      res += stringified;
	    }
	  }

	  return res;
	}

	function stringifyObject(value) {
	  var res = '';

	  for (var key in value) {
	    if (value[key]) {
	      if (res) res += ' ';
	      res += key;
	    }
	  }

	  return res;
	}
	/*  */


	var namespaceMap = {
	  svg: 'http://www.w3.org/2000/svg',
	  math: 'http://www.w3.org/1998/Math/MathML'
	};
	var isHTMLTag = makeMap('html,body,base,head,link,meta,style,title,' + 'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' + 'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' + 'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' + 's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' + 'embed,object,param,source,canvas,script,noscript,del,ins,' + 'caption,col,colgroup,table,thead,tbody,td,th,tr,' + 'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' + 'output,progress,select,textarea,' + 'details,dialog,menu,menuitem,summary,' + 'content,element,shadow,template,blockquote,iframe,tfoot'); // this map is intentionally selective, only covering SVG elements that may
	// contain child elements.

	var isSVG = makeMap('svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' + 'foreignobject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' + 'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view', true);

	var isPreTag = function isPreTag(tag) {
	  return tag === 'pre';
	};

	var isReservedTag = function isReservedTag(tag) {
	  return isHTMLTag(tag) || isSVG(tag);
	};

	function getTagNamespace(tag) {
	  if (isSVG(tag)) {
	    return 'svg';
	  } // basic support for MathML
	  // note it doesn't support other MathML elements being component roots


	  if (tag === 'math') {
	    return 'math';
	  }
	}

	var unknownElementCache = Object.create(null);

	function isUnknownElement(tag) {
	  /* istanbul ignore if */
	  if (!inBrowser) {
	    return true;
	  }

	  if (isReservedTag(tag)) {
	    return false;
	  }

	  tag = tag.toLowerCase();
	  /* istanbul ignore if */

	  if (unknownElementCache[tag] != null) {
	    return unknownElementCache[tag];
	  }

	  var el = document.createElement(tag);

	  if (tag.indexOf('-') > -1) {
	    // http://stackoverflow.com/a/28210364/1070244
	    return unknownElementCache[tag] = el.constructor === window.HTMLUnknownElement || el.constructor === window.HTMLElement;
	  } else {
	    return unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString());
	  }
	}

	var isTextInputType = makeMap('text,number,password,search,email,tel,url');
	/*  */

	/**
	 * Query an element selector if it's not an element already.
	 */

	function query(el) {
	  if (typeof el === 'string') {
	    var selected = document.querySelector(el);

	    if (!selected) {
	      warn('Cannot find element: ' + el);
	      return document.createElement('div');
	    }

	    return selected;
	  } else {
	    return el;
	  }
	}
	/*  */


	function createElement$1(tagName, vnode) {
	  var elm = document.createElement(tagName);

	  if (tagName !== 'select') {
	    return elm;
	  } // false or null will remove the attribute but undefined will not


	  if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
	    elm.setAttribute('multiple', 'multiple');
	  }

	  return elm;
	}

	function createElementNS(namespace, tagName) {
	  return document.createElementNS(namespaceMap[namespace], tagName);
	}

	function createTextNode(text) {
	  return document.createTextNode(text);
	}

	function createComment(text) {
	  return document.createComment(text);
	}

	function insertBefore(parentNode, newNode, referenceNode) {
	  parentNode.insertBefore(newNode, referenceNode);
	}

	function removeChild(node, child) {
	  node.removeChild(child);
	}

	function appendChild(node, child) {
	  node.appendChild(child);
	}

	function parentNode(node) {
	  return node.parentNode;
	}

	function nextSibling(node) {
	  return node.nextSibling;
	}

	function tagName(node) {
	  return node.tagName;
	}

	function setTextContent(node, text) {
	  node.textContent = text;
	}

	function setStyleScope(node, scopeId) {
	  node.setAttribute(scopeId, '');
	}

	var nodeOps = /*#__PURE__*/Object.freeze({
	  createElement: createElement$1,
	  createElementNS: createElementNS,
	  createTextNode: createTextNode,
	  createComment: createComment,
	  insertBefore: insertBefore,
	  removeChild: removeChild,
	  appendChild: appendChild,
	  parentNode: parentNode,
	  nextSibling: nextSibling,
	  tagName: tagName,
	  setTextContent: setTextContent,
	  setStyleScope: setStyleScope
	});
	/*  */

	var ref = {
	  create: function create(_, vnode) {
	    registerRef(vnode);
	  },
	  update: function update(oldVnode, vnode) {
	    if (oldVnode.data.ref !== vnode.data.ref) {
	      registerRef(oldVnode, true);
	      registerRef(vnode);
	    }
	  },
	  destroy: function destroy(vnode) {
	    registerRef(vnode, true);
	  }
	};

	function registerRef(vnode, isRemoval) {
	  var key = vnode.data.ref;
	  if (!isDef(key)) return;
	  var vm = vnode.context;
	  var ref = vnode.componentInstance || vnode.elm;
	  var refs = vm.$refs;

	  if (isRemoval) {
	    if (Array.isArray(refs[key])) {
	      remove(refs[key], ref);
	    } else if (refs[key] === ref) {
	      refs[key] = undefined;
	    }
	  } else {
	    if (vnode.data.refInFor) {
	      if (!Array.isArray(refs[key])) {
	        refs[key] = [ref];
	      } else if (refs[key].indexOf(ref) < 0) {
	        // $flow-disable-line
	        refs[key].push(ref);
	      }
	    } else {
	      refs[key] = ref;
	    }
	  }
	}
	/**
	 * Virtual DOM patching algorithm based on Snabbdom by
	 * Simon Friis Vindum (@paldepind)
	 * Licensed under the MIT License
	 * https://github.com/paldepind/snabbdom/blob/master/LICENSE
	 *
	 * modified by Evan You (@yyx990803)
	 *
	 * Not type-checking this because this file is perf-critical and the cost
	 * of making flow understand it is not worth it.
	 */


	var emptyNode = new VNode('', {}, []);
	var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];

	function sameVnode(a, b) {
	  return a.key === b.key && a.asyncFactory === b.asyncFactory && (a.tag === b.tag && a.isComment === b.isComment && isDef(a.data) === isDef(b.data) && sameInputType(a, b) || isTrue(a.isAsyncPlaceholder) && isUndef(b.asyncFactory.error));
	}

	function sameInputType(a, b) {
	  if (a.tag !== 'input') return true;
	  var i;
	  var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
	  var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
	  return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB);
	}

	function createKeyToOldIdx(children, beginIdx, endIdx) {
	  var i, key;
	  var map = {};

	  for (i = beginIdx; i <= endIdx; ++i) {
	    key = children[i].key;
	    if (isDef(key)) map[key] = i;
	  }

	  return map;
	}

	function createPatchFunction(backend) {
	  var i, j;
	  var cbs = {};
	  var modules = backend.modules,
	      nodeOps = backend.nodeOps;

	  for (i = 0; i < hooks.length; ++i) {
	    cbs[hooks[i]] = [];

	    for (j = 0; j < modules.length; ++j) {
	      if (isDef(modules[j][hooks[i]])) {
	        cbs[hooks[i]].push(modules[j][hooks[i]]);
	      }
	    }
	  }

	  function emptyNodeAt(elm) {
	    return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm);
	  }

	  function createRmCb(childElm, listeners) {
	    function remove$$1() {
	      if (--remove$$1.listeners === 0) {
	        removeNode(childElm);
	      }
	    }

	    remove$$1.listeners = listeners;
	    return remove$$1;
	  }

	  function removeNode(el) {
	    var parent = nodeOps.parentNode(el); // element may have already been removed due to v-html / v-text

	    if (isDef(parent)) {
	      nodeOps.removeChild(parent, el);
	    }
	  }

	  function isUnknownElement$$1(vnode, inVPre) {
	    return !inVPre && !vnode.ns && !(config.ignoredElements.length && config.ignoredElements.some(function (ignore) {
	      return isRegExp(ignore) ? ignore.test(vnode.tag) : ignore === vnode.tag;
	    })) && config.isUnknownElement(vnode.tag);
	  }

	  var creatingElmInVPre = 0;

	  function createElm(vnode, insertedVnodeQueue, parentElm, refElm, nested, ownerArray, index) {
	    if (isDef(vnode.elm) && isDef(ownerArray)) {
	      // This vnode was used in a previous render!
	      // now it's used as a new node, overwriting its elm would cause
	      // potential patch errors down the road when it's used as an insertion
	      // reference node. Instead, we clone the node on-demand before creating
	      // associated DOM element for it.
	      vnode = ownerArray[index] = cloneVNode(vnode);
	    }

	    vnode.isRootInsert = !nested; // for transition enter check

	    if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
	      return;
	    }

	    var data = vnode.data;
	    var children = vnode.children;
	    var tag = vnode.tag;

	    if (isDef(tag)) {
	      {
	        if (data && data.pre) {
	          creatingElmInVPre++;
	        }

	        if (isUnknownElement$$1(vnode, creatingElmInVPre)) {
	          warn('Unknown custom element: <' + tag + '> - did you ' + 'register the component correctly? For recursive components, ' + 'make sure to provide the "name" option.', vnode.context);
	        }
	      }
	      vnode.elm = vnode.ns ? nodeOps.createElementNS(vnode.ns, tag) : nodeOps.createElement(tag, vnode);
	      setScope(vnode);
	      /* istanbul ignore if */

	      {
	        createChildren(vnode, children, insertedVnodeQueue);

	        if (isDef(data)) {
	          invokeCreateHooks(vnode, insertedVnodeQueue);
	        }

	        insert(parentElm, vnode.elm, refElm);
	      }

	      if (data && data.pre) {
	        creatingElmInVPre--;
	      }
	    } else if (isTrue(vnode.isComment)) {
	      vnode.elm = nodeOps.createComment(vnode.text);
	      insert(parentElm, vnode.elm, refElm);
	    } else {
	      vnode.elm = nodeOps.createTextNode(vnode.text);
	      insert(parentElm, vnode.elm, refElm);
	    }
	  }

	  function createComponent(vnode, insertedVnodeQueue, parentElm, refElm) {
	    var i = vnode.data;

	    if (isDef(i)) {
	      var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;

	      if (isDef(i = i.hook) && isDef(i = i.init)) {
	        i(vnode, false
	        /* hydrating */
	        );
	      } // after calling the init hook, if the vnode is a child component
	      // it should've created a child instance and mounted it. the child
	      // component also has set the placeholder vnode's elm.
	      // in that case we can just return the element and be done.


	      if (isDef(vnode.componentInstance)) {
	        initComponent(vnode, insertedVnodeQueue);
	        insert(parentElm, vnode.elm, refElm);

	        if (isTrue(isReactivated)) {
	          reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
	        }

	        return true;
	      }
	    }
	  }

	  function initComponent(vnode, insertedVnodeQueue) {
	    if (isDef(vnode.data.pendingInsert)) {
	      insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
	      vnode.data.pendingInsert = null;
	    }

	    vnode.elm = vnode.componentInstance.$el;

	    if (isPatchable(vnode)) {
	      invokeCreateHooks(vnode, insertedVnodeQueue);
	      setScope(vnode);
	    } else {
	      // empty component root.
	      // skip all element-related modules except for ref (#3455)
	      registerRef(vnode); // make sure to invoke the insert hook

	      insertedVnodeQueue.push(vnode);
	    }
	  }

	  function reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm) {
	    var i; // hack for #4339: a reactivated component with inner transition
	    // does not trigger because the inner node's created hooks are not called
	    // again. It's not ideal to involve module-specific logic in here but
	    // there doesn't seem to be a better way to do it.

	    var innerNode = vnode;

	    while (innerNode.componentInstance) {
	      innerNode = innerNode.componentInstance._vnode;

	      if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
	        for (i = 0; i < cbs.activate.length; ++i) {
	          cbs.activate[i](emptyNode, innerNode);
	        }

	        insertedVnodeQueue.push(innerNode);
	        break;
	      }
	    } // unlike a newly created component,
	    // a reactivated keep-alive component doesn't insert itself


	    insert(parentElm, vnode.elm, refElm);
	  }

	  function insert(parent, elm, ref$$1) {
	    if (isDef(parent)) {
	      if (isDef(ref$$1)) {
	        if (nodeOps.parentNode(ref$$1) === parent) {
	          nodeOps.insertBefore(parent, elm, ref$$1);
	        }
	      } else {
	        nodeOps.appendChild(parent, elm);
	      }
	    }
	  }

	  function createChildren(vnode, children, insertedVnodeQueue) {
	    if (Array.isArray(children)) {
	      {
	        checkDuplicateKeys(children);
	      }

	      for (var _i2 = 0; _i2 < children.length; ++_i2) {
	        createElm(children[_i2], insertedVnodeQueue, vnode.elm, null, true, children, _i2);
	      }
	    } else if (isPrimitive(vnode.text)) {
	      nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
	    }
	  }

	  function isPatchable(vnode) {
	    while (vnode.componentInstance) {
	      vnode = vnode.componentInstance._vnode;
	    }

	    return isDef(vnode.tag);
	  }

	  function invokeCreateHooks(vnode, insertedVnodeQueue) {
	    for (var _i3 = 0; _i3 < cbs.create.length; ++_i3) {
	      cbs.create[_i3](emptyNode, vnode);
	    }

	    i = vnode.data.hook; // Reuse variable

	    if (isDef(i)) {
	      if (isDef(i.create)) i.create(emptyNode, vnode);
	      if (isDef(i.insert)) insertedVnodeQueue.push(vnode);
	    }
	  } // set scope id attribute for scoped CSS.
	  // this is implemented as a special case to avoid the overhead
	  // of going through the normal attribute patching process.


	  function setScope(vnode) {
	    var i;

	    if (isDef(i = vnode.fnScopeId)) {
	      nodeOps.setStyleScope(vnode.elm, i);
	    } else {
	      var ancestor = vnode;

	      while (ancestor) {
	        if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
	          nodeOps.setStyleScope(vnode.elm, i);
	        }

	        ancestor = ancestor.parent;
	      }
	    } // for slot content they should also get the scopeId from the host instance.


	    if (isDef(i = activeInstance) && i !== vnode.context && i !== vnode.fnContext && isDef(i = i.$options._scopeId)) {
	      nodeOps.setStyleScope(vnode.elm, i);
	    }
	  }

	  function addVnodes(parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
	    for (; startIdx <= endIdx; ++startIdx) {
	      createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
	    }
	  }

	  function invokeDestroyHook(vnode) {
	    var i, j;
	    var data = vnode.data;

	    if (isDef(data)) {
	      if (isDef(i = data.hook) && isDef(i = i.destroy)) i(vnode);

	      for (i = 0; i < cbs.destroy.length; ++i) {
	        cbs.destroy[i](vnode);
	      }
	    }

	    if (isDef(i = vnode.children)) {
	      for (j = 0; j < vnode.children.length; ++j) {
	        invokeDestroyHook(vnode.children[j]);
	      }
	    }
	  }

	  function removeVnodes(vnodes, startIdx, endIdx) {
	    for (; startIdx <= endIdx; ++startIdx) {
	      var ch = vnodes[startIdx];

	      if (isDef(ch)) {
	        if (isDef(ch.tag)) {
	          removeAndInvokeRemoveHook(ch);
	          invokeDestroyHook(ch);
	        } else {
	          // Text node
	          removeNode(ch.elm);
	        }
	      }
	    }
	  }

	  function removeAndInvokeRemoveHook(vnode, rm) {
	    if (isDef(rm) || isDef(vnode.data)) {
	      var _i4;

	      var listeners = cbs.remove.length + 1;

	      if (isDef(rm)) {
	        // we have a recursively passed down rm callback
	        // increase the listeners count
	        rm.listeners += listeners;
	      } else {
	        // directly removing
	        rm = createRmCb(vnode.elm, listeners);
	      } // recursively invoke hooks on child component root node


	      if (isDef(_i4 = vnode.componentInstance) && isDef(_i4 = _i4._vnode) && isDef(_i4.data)) {
	        removeAndInvokeRemoveHook(_i4, rm);
	      }

	      for (_i4 = 0; _i4 < cbs.remove.length; ++_i4) {
	        cbs.remove[_i4](vnode, rm);
	      }

	      if (isDef(_i4 = vnode.data.hook) && isDef(_i4 = _i4.remove)) {
	        _i4(vnode, rm);
	      } else {
	        rm();
	      }
	    } else {
	      removeNode(vnode.elm);
	    }
	  }

	  function updateChildren(parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
	    var oldStartIdx = 0;
	    var newStartIdx = 0;
	    var oldEndIdx = oldCh.length - 1;
	    var oldStartVnode = oldCh[0];
	    var oldEndVnode = oldCh[oldEndIdx];
	    var newEndIdx = newCh.length - 1;
	    var newStartVnode = newCh[0];
	    var newEndVnode = newCh[newEndIdx];
	    var oldKeyToIdx, idxInOld, vnodeToMove, refElm; // removeOnly is a special flag used only by <transition-group>
	    // to ensure removed elements stay in correct relative positions
	    // during leaving transitions

	    var canMove = !removeOnly;
	    {
	      checkDuplicateKeys(newCh);
	    }

	    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
	      if (isUndef(oldStartVnode)) {
	        oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
	      } else if (isUndef(oldEndVnode)) {
	        oldEndVnode = oldCh[--oldEndIdx];
	      } else if (sameVnode(oldStartVnode, newStartVnode)) {
	        patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
	        oldStartVnode = oldCh[++oldStartIdx];
	        newStartVnode = newCh[++newStartIdx];
	      } else if (sameVnode(oldEndVnode, newEndVnode)) {
	        patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
	        oldEndVnode = oldCh[--oldEndIdx];
	        newEndVnode = newCh[--newEndIdx];
	      } else if (sameVnode(oldStartVnode, newEndVnode)) {
	        // Vnode moved right
	        patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
	        canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
	        oldStartVnode = oldCh[++oldStartIdx];
	        newEndVnode = newCh[--newEndIdx];
	      } else if (sameVnode(oldEndVnode, newStartVnode)) {
	        // Vnode moved left
	        patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
	        canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
	        oldEndVnode = oldCh[--oldEndIdx];
	        newStartVnode = newCh[++newStartIdx];
	      } else {
	        if (isUndef(oldKeyToIdx)) oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx);
	        idxInOld = isDef(newStartVnode.key) ? oldKeyToIdx[newStartVnode.key] : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);

	        if (isUndef(idxInOld)) {
	          // New element
	          createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
	        } else {
	          vnodeToMove = oldCh[idxInOld];

	          if (sameVnode(vnodeToMove, newStartVnode)) {
	            patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
	            oldCh[idxInOld] = undefined;
	            canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
	          } else {
	            // same key but different element. treat as new element
	            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
	          }
	        }

	        newStartVnode = newCh[++newStartIdx];
	      }
	    }

	    if (oldStartIdx > oldEndIdx) {
	      refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
	      addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
	    } else if (newStartIdx > newEndIdx) {
	      removeVnodes(oldCh, oldStartIdx, oldEndIdx);
	    }
	  }

	  function checkDuplicateKeys(children) {
	    var seenKeys = {};

	    for (var _i5 = 0; _i5 < children.length; _i5++) {
	      var vnode = children[_i5];
	      var key = vnode.key;

	      if (isDef(key)) {
	        if (seenKeys[key]) {
	          warn("Duplicate keys detected: '".concat(key, "'. This may cause an update error."), vnode.context);
	        } else {
	          seenKeys[key] = true;
	        }
	      }
	    }
	  }

	  function findIdxInOld(node, oldCh, start, end) {
	    for (var _i6 = start; _i6 < end; _i6++) {
	      var c = oldCh[_i6];
	      if (isDef(c) && sameVnode(node, c)) return _i6;
	    }
	  }

	  function patchVnode(oldVnode, vnode, insertedVnodeQueue, ownerArray, index, removeOnly) {
	    if (oldVnode === vnode) {
	      return;
	    }

	    if (isDef(vnode.elm) && isDef(ownerArray)) {
	      // clone reused vnode
	      vnode = ownerArray[index] = cloneVNode(vnode);
	    }

	    var elm = vnode.elm = oldVnode.elm;

	    if (isTrue(oldVnode.isAsyncPlaceholder)) {
	      if (isDef(vnode.asyncFactory.resolved)) {
	        hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
	      } else {
	        vnode.isAsyncPlaceholder = true;
	      }

	      return;
	    } // reuse element for static trees.
	    // note we only do this if the vnode is cloned -
	    // if the new node is not cloned it means the render functions have been
	    // reset by the hot-reload-api and we need to do a proper re-render.


	    if (isTrue(vnode.isStatic) && isTrue(oldVnode.isStatic) && vnode.key === oldVnode.key && (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))) {
	      vnode.componentInstance = oldVnode.componentInstance;
	      return;
	    }

	    var i;
	    var data = vnode.data;

	    if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
	      i(oldVnode, vnode);
	    }

	    var oldCh = oldVnode.children;
	    var ch = vnode.children;

	    if (isDef(data) && isPatchable(vnode)) {
	      for (i = 0; i < cbs.update.length; ++i) {
	        cbs.update[i](oldVnode, vnode);
	      }

	      if (isDef(i = data.hook) && isDef(i = i.update)) i(oldVnode, vnode);
	    }

	    if (isUndef(vnode.text)) {
	      if (isDef(oldCh) && isDef(ch)) {
	        if (oldCh !== ch) updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly);
	      } else if (isDef(ch)) {
	        {
	          checkDuplicateKeys(ch);
	        }
	        if (isDef(oldVnode.text)) nodeOps.setTextContent(elm, '');
	        addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
	      } else if (isDef(oldCh)) {
	        removeVnodes(oldCh, 0, oldCh.length - 1);
	      } else if (isDef(oldVnode.text)) {
	        nodeOps.setTextContent(elm, '');
	      }
	    } else if (oldVnode.text !== vnode.text) {
	      nodeOps.setTextContent(elm, vnode.text);
	    }

	    if (isDef(data)) {
	      if (isDef(i = data.hook) && isDef(i = i.postpatch)) i(oldVnode, vnode);
	    }
	  }

	  function invokeInsertHook(vnode, queue, initial) {
	    // delay insert hooks for component root nodes, invoke them after the
	    // element is really inserted
	    if (isTrue(initial) && isDef(vnode.parent)) {
	      vnode.parent.data.pendingInsert = queue;
	    } else {
	      for (var _i7 = 0; _i7 < queue.length; ++_i7) {
	        queue[_i7].data.hook.insert(queue[_i7]);
	      }
	    }
	  }

	  var hydrationBailed = false; // list of modules that can skip create hook during hydration because they
	  // are already rendered on the client or has no need for initialization
	  // Note: style is excluded because it relies on initial clone for future
	  // deep updates (#7063).

	  var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key'); // Note: this is a browser-only function so we can assume elms are DOM nodes.

	  function hydrate(elm, vnode, insertedVnodeQueue, inVPre) {
	    var i;
	    var tag = vnode.tag,
	        data = vnode.data,
	        children = vnode.children;
	    inVPre = inVPre || data && data.pre;
	    vnode.elm = elm;

	    if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
	      vnode.isAsyncPlaceholder = true;
	      return true;
	    } // assert node match


	    {
	      if (!assertNodeMatch(elm, vnode, inVPre)) {
	        return false;
	      }
	    }

	    if (isDef(data)) {
	      if (isDef(i = data.hook) && isDef(i = i.init)) i(vnode, true
	      /* hydrating */
	      );

	      if (isDef(i = vnode.componentInstance)) {
	        // child component. it should have hydrated its own tree.
	        initComponent(vnode, insertedVnodeQueue);
	        return true;
	      }
	    }

	    if (isDef(tag)) {
	      if (isDef(children)) {
	        // empty element, allow client to pick up and populate children
	        if (!elm.hasChildNodes()) {
	          createChildren(vnode, children, insertedVnodeQueue);
	        } else {
	          // v-html and domProps: innerHTML
	          if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {
	            if (i !== elm.innerHTML) {
	              /* istanbul ignore if */
	              if (typeof console !== 'undefined' && !hydrationBailed) {
	                hydrationBailed = true;
	                console.warn('Parent: ', elm);
	                console.warn('server innerHTML: ', i);
	                console.warn('client innerHTML: ', elm.innerHTML);
	              }

	              return false;
	            }
	          } else {
	            // iterate and compare children lists
	            var childrenMatch = true;
	            var childNode = elm.firstChild;

	            for (var _i8 = 0; _i8 < children.length; _i8++) {
	              if (!childNode || !hydrate(childNode, children[_i8], insertedVnodeQueue, inVPre)) {
	                childrenMatch = false;
	                break;
	              }

	              childNode = childNode.nextSibling;
	            } // if childNode is not null, it means the actual childNodes list is
	            // longer than the virtual children list.


	            if (!childrenMatch || childNode) {
	              /* istanbul ignore if */
	              if (typeof console !== 'undefined' && !hydrationBailed) {
	                hydrationBailed = true;
	                console.warn('Parent: ', elm);
	                console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
	              }

	              return false;
	            }
	          }
	        }
	      }

	      if (isDef(data)) {
	        var fullInvoke = false;

	        for (var key in data) {
	          if (!isRenderedModule(key)) {
	            fullInvoke = true;
	            invokeCreateHooks(vnode, insertedVnodeQueue);
	            break;
	          }
	        }

	        if (!fullInvoke && data['class']) {
	          // ensure collecting deps for deep class bindings for future updates
	          traverse(data['class']);
	        }
	      }
	    } else if (elm.data !== vnode.text) {
	      elm.data = vnode.text;
	    }

	    return true;
	  }

	  function assertNodeMatch(node, vnode, inVPre) {
	    if (isDef(vnode.tag)) {
	      return vnode.tag.indexOf('vue-component') === 0 || !isUnknownElement$$1(vnode, inVPre) && vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase());
	    } else {
	      return node.nodeType === (vnode.isComment ? 8 : 3);
	    }
	  }

	  return function patch(oldVnode, vnode, hydrating, removeOnly) {
	    if (isUndef(vnode)) {
	      if (isDef(oldVnode)) invokeDestroyHook(oldVnode);
	      return;
	    }

	    var isInitialPatch = false;
	    var insertedVnodeQueue = [];

	    if (isUndef(oldVnode)) {
	      // empty mount (likely as component), create new root element
	      isInitialPatch = true;
	      createElm(vnode, insertedVnodeQueue);
	    } else {
	      var isRealElement = isDef(oldVnode.nodeType);

	      if (!isRealElement && sameVnode(oldVnode, vnode)) {
	        // patch existing root node
	        patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);
	      } else {
	        if (isRealElement) {
	          // mounting to a real element
	          // check if this is server-rendered content and if we can perform
	          // a successful hydration.
	          if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
	            oldVnode.removeAttribute(SSR_ATTR);
	            hydrating = true;
	          }

	          if (isTrue(hydrating)) {
	            if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
	              invokeInsertHook(vnode, insertedVnodeQueue, true);
	              return oldVnode;
	            } else {
	              warn('The client-side rendered virtual DOM tree is not matching ' + 'server-rendered content. This is likely caused by incorrect ' + 'HTML markup, for example nesting block-level elements inside ' + '<p>, or missing <tbody>. Bailing hydration and performing ' + 'full client-side render.');
	            }
	          } // either not server-rendered, or hydration failed.
	          // create an empty node and replace it


	          oldVnode = emptyNodeAt(oldVnode);
	        } // replacing existing element


	        var oldElm = oldVnode.elm;
	        var parentElm = nodeOps.parentNode(oldElm); // create new node

	        createElm(vnode, insertedVnodeQueue, // extremely rare edge case: do not insert if old element is in a
	        // leaving transition. Only happens when combining transition +
	        // keep-alive + HOCs. (#4590)
	        oldElm._leaveCb ? null : parentElm, nodeOps.nextSibling(oldElm)); // update parent placeholder node element, recursively

	        if (isDef(vnode.parent)) {
	          var ancestor = vnode.parent;
	          var patchable = isPatchable(vnode);

	          while (ancestor) {
	            for (var _i9 = 0; _i9 < cbs.destroy.length; ++_i9) {
	              cbs.destroy[_i9](ancestor);
	            }

	            ancestor.elm = vnode.elm;

	            if (patchable) {
	              for (var _i10 = 0; _i10 < cbs.create.length; ++_i10) {
	                cbs.create[_i10](emptyNode, ancestor);
	              } // #6513
	              // invoke insert hooks that may have been merged by create hooks.
	              // e.g. for directives that uses the "inserted" hook.


	              var _insert = ancestor.data.hook.insert;

	              if (_insert.merged) {
	                // start at index 1 to avoid re-invoking component mounted hook
	                for (var _i11 = 1; _i11 < _insert.fns.length; _i11++) {
	                  _insert.fns[_i11]();
	                }
	              }
	            } else {
	              registerRef(ancestor);
	            }

	            ancestor = ancestor.parent;
	          }
	        } // destroy old node


	        if (isDef(parentElm)) {
	          removeVnodes([oldVnode], 0, 0);
	        } else if (isDef(oldVnode.tag)) {
	          invokeDestroyHook(oldVnode);
	        }
	      }
	    }

	    invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
	    return vnode.elm;
	  };
	}
	/*  */


	var directives = {
	  create: updateDirectives,
	  update: updateDirectives,
	  destroy: function unbindDirectives(vnode) {
	    updateDirectives(vnode, emptyNode);
	  }
	};

	function updateDirectives(oldVnode, vnode) {
	  if (oldVnode.data.directives || vnode.data.directives) {
	    _update(oldVnode, vnode);
	  }
	}

	function _update(oldVnode, vnode) {
	  var isCreate = oldVnode === emptyNode;
	  var isDestroy = vnode === emptyNode;
	  var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
	  var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
	  var dirsWithInsert = [];
	  var dirsWithPostpatch = [];
	  var key, oldDir, dir;

	  for (key in newDirs) {
	    oldDir = oldDirs[key];
	    dir = newDirs[key];

	    if (!oldDir) {
	      // new directive, bind
	      callHook$1(dir, 'bind', vnode, oldVnode);

	      if (dir.def && dir.def.inserted) {
	        dirsWithInsert.push(dir);
	      }
	    } else {
	      // existing directive, update
	      dir.oldValue = oldDir.value;
	      dir.oldArg = oldDir.arg;
	      callHook$1(dir, 'update', vnode, oldVnode);

	      if (dir.def && dir.def.componentUpdated) {
	        dirsWithPostpatch.push(dir);
	      }
	    }
	  }

	  if (dirsWithInsert.length) {
	    var callInsert = function callInsert() {
	      for (var i = 0; i < dirsWithInsert.length; i++) {
	        callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
	      }
	    };

	    if (isCreate) {
	      mergeVNodeHook(vnode, 'insert', callInsert);
	    } else {
	      callInsert();
	    }
	  }

	  if (dirsWithPostpatch.length) {
	    mergeVNodeHook(vnode, 'postpatch', function () {
	      for (var i = 0; i < dirsWithPostpatch.length; i++) {
	        callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
	      }
	    });
	  }

	  if (!isCreate) {
	    for (key in oldDirs) {
	      if (!newDirs[key]) {
	        // no longer present, unbind
	        callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
	      }
	    }
	  }
	}

	var emptyModifiers = Object.create(null);

	function normalizeDirectives$1(dirs, vm) {
	  var res = Object.create(null);

	  if (!dirs) {
	    // $flow-disable-line
	    return res;
	  }

	  var i, dir;

	  for (i = 0; i < dirs.length; i++) {
	    dir = dirs[i];

	    if (!dir.modifiers) {
	      // $flow-disable-line
	      dir.modifiers = emptyModifiers;
	    }

	    res[getRawDirName(dir)] = dir;
	    dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
	  } // $flow-disable-line


	  return res;
	}

	function getRawDirName(dir) {
	  return dir.rawName || "".concat(dir.name, ".").concat(Object.keys(dir.modifiers || {}).join('.'));
	}

	function callHook$1(dir, hook, vnode, oldVnode, isDestroy) {
	  var fn = dir.def && dir.def[hook];

	  if (fn) {
	    try {
	      fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
	    } catch (e) {
	      handleError(e, vnode.context, "directive ".concat(dir.name, " ").concat(hook, " hook"));
	    }
	  }
	}

	var baseModules = [ref, directives];
	/*  */

	function updateAttrs(oldVnode, vnode) {
	  var opts = vnode.componentOptions;

	  if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
	    return;
	  }

	  if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
	    return;
	  }

	  var key, cur, old;
	  var elm = vnode.elm;
	  var oldAttrs = oldVnode.data.attrs || {};
	  var attrs = vnode.data.attrs || {}; // clone observed objects, as the user probably wants to mutate it

	  if (isDef(attrs.__ob__)) {
	    attrs = vnode.data.attrs = extend({}, attrs);
	  }

	  for (key in attrs) {
	    cur = attrs[key];
	    old = oldAttrs[key];

	    if (old !== cur) {
	      setAttr(elm, key, cur, vnode.data.pre);
	    }
	  } // #4391: in IE9, setting type can reset value for input[type=radio]
	  // #6666: IE/Edge forces progress value down to 1 before setting a max

	  /* istanbul ignore if */


	  if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {
	    setAttr(elm, 'value', attrs.value);
	  }

	  for (key in oldAttrs) {
	    if (isUndef(attrs[key])) {
	      if (isXlink(key)) {
	        elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
	      } else if (!isEnumeratedAttr(key)) {
	        elm.removeAttribute(key);
	      }
	    }
	  }
	}

	function setAttr(el, key, value, isInPre) {
	  if (isInPre || el.tagName.indexOf('-') > -1) {
	    baseSetAttr(el, key, value);
	  } else if (isBooleanAttr(key)) {
	    // set attribute for blank value
	    // e.g. <option disabled>Select one</option>
	    if (isFalsyAttrValue(value)) {
	      el.removeAttribute(key);
	    } else {
	      // technically allowfullscreen is a boolean attribute for <iframe>,
	      // but Flash expects a value of "true" when used on <embed> tag
	      value = key === 'allowfullscreen' && el.tagName === 'EMBED' ? 'true' : key;
	      el.setAttribute(key, value);
	    }
	  } else if (isEnumeratedAttr(key)) {
	    el.setAttribute(key, convertEnumeratedValue(key, value));
	  } else if (isXlink(key)) {
	    if (isFalsyAttrValue(value)) {
	      el.removeAttributeNS(xlinkNS, getXlinkProp(key));
	    } else {
	      el.setAttributeNS(xlinkNS, key, value);
	    }
	  } else {
	    baseSetAttr(el, key, value);
	  }
	}

	function baseSetAttr(el, key, value) {
	  if (isFalsyAttrValue(value)) {
	    el.removeAttribute(key);
	  } else {
	    // #7138: IE10 & 11 fires input event when setting placeholder on
	    // <textarea>... block the first input event and remove the blocker
	    // immediately.

	    /* istanbul ignore if */
	    if (isIE && !isIE9 && el.tagName === 'TEXTAREA' && key === 'placeholder' && value !== '' && !el.__ieph) {
	      var blocker = function blocker(e) {
	        e.stopImmediatePropagation();
	        el.removeEventListener('input', blocker);
	      };

	      el.addEventListener('input', blocker); // $flow-disable-line

	      el.__ieph = true;
	      /* IE placeholder patched */
	    }

	    el.setAttribute(key, value);
	  }
	}

	var attrs = {
	  create: updateAttrs,
	  update: updateAttrs
	};
	/*  */

	function updateClass(oldVnode, vnode) {
	  var el = vnode.elm;
	  var data = vnode.data;
	  var oldData = oldVnode.data;

	  if (isUndef(data.staticClass) && isUndef(data["class"]) && (isUndef(oldData) || isUndef(oldData.staticClass) && isUndef(oldData["class"]))) {
	    return;
	  }

	  var cls = genClassForVnode(vnode); // handle transition classes

	  var transitionClass = el._transitionClasses;

	  if (isDef(transitionClass)) {
	    cls = concat(cls, stringifyClass(transitionClass));
	  } // set the class


	  if (cls !== el._prevClass) {
	    el.setAttribute('class', cls);
	    el._prevClass = cls;
	  }
	}

	var klass = {
	  create: updateClass,
	  update: updateClass
	};
	/*  */

	var validDivisionCharRE = /[\w).+\-_$\]]/;

	function parseFilters(exp) {
	  var inSingle = false;
	  var inDouble = false;
	  var inTemplateString = false;
	  var inRegex = false;
	  var curly = 0;
	  var square = 0;
	  var paren = 0;
	  var lastFilterIndex = 0;
	  var c, prev, i, expression, filters;

	  for (i = 0; i < exp.length; i++) {
	    prev = c;
	    c = exp.charCodeAt(i);

	    if (inSingle) {
	      if (c === 0x27 && prev !== 0x5C) inSingle = false;
	    } else if (inDouble) {
	      if (c === 0x22 && prev !== 0x5C) inDouble = false;
	    } else if (inTemplateString) {
	      if (c === 0x60 && prev !== 0x5C) inTemplateString = false;
	    } else if (inRegex) {
	      if (c === 0x2f && prev !== 0x5C) inRegex = false;
	    } else if (c === 0x7C && // pipe
	    exp.charCodeAt(i + 1) !== 0x7C && exp.charCodeAt(i - 1) !== 0x7C && !curly && !square && !paren) {
	      if (expression === undefined) {
	        // first filter, end of expression
	        lastFilterIndex = i + 1;
	        expression = exp.slice(0, i).trim();
	      } else {
	        pushFilter();
	      }
	    } else {
	      switch (c) {
	        case 0x22:
	          inDouble = true;
	          break;
	        // "

	        case 0x27:
	          inSingle = true;
	          break;
	        // '

	        case 0x60:
	          inTemplateString = true;
	          break;
	        // `

	        case 0x28:
	          paren++;
	          break;
	        // (

	        case 0x29:
	          paren--;
	          break;
	        // )

	        case 0x5B:
	          square++;
	          break;
	        // [

	        case 0x5D:
	          square--;
	          break;
	        // ]

	        case 0x7B:
	          curly++;
	          break;
	        // {

	        case 0x7D:
	          curly--;
	          break;
	        // }
	      }

	      if (c === 0x2f) {
	        // /
	        var j = i - 1;

	        var _p = void 0; // find first non-whitespace prev char


	        for (; j >= 0; j--) {
	          _p = exp.charAt(j);
	          if (_p !== ' ') break;
	        }

	        if (!_p || !validDivisionCharRE.test(_p)) {
	          inRegex = true;
	        }
	      }
	    }
	  }

	  if (expression === undefined) {
	    expression = exp.slice(0, i).trim();
	  } else if (lastFilterIndex !== 0) {
	    pushFilter();
	  }

	  function pushFilter() {
	    (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
	    lastFilterIndex = i + 1;
	  }

	  if (filters) {
	    for (i = 0; i < filters.length; i++) {
	      expression = wrapFilter(expression, filters[i]);
	    }
	  }

	  return expression;
	}

	function wrapFilter(exp, filter) {
	  var i = filter.indexOf('(');

	  if (i < 0) {
	    // _f: resolveFilter
	    return "_f(\"".concat(filter, "\")(").concat(exp, ")");
	  } else {
	    var name = filter.slice(0, i);
	    var args = filter.slice(i + 1);
	    return "_f(\"".concat(name, "\")(").concat(exp).concat(args !== ')' ? ',' + args : args);
	  }
	}
	/*  */

	/* eslint-disable no-unused-vars */


	function baseWarn(msg, range) {
	  console.error("[Vue compiler]: ".concat(msg));
	}
	/* eslint-enable no-unused-vars */


	function pluckModuleFunction(modules, key) {
	  return modules ? modules.map(function (m) {
	    return m[key];
	  }).filter(function (_) {
	    return _;
	  }) : [];
	}

	function addProp(el, name, value, range, dynamic) {
	  (el.props || (el.props = [])).push(rangeSetItem({
	    name: name,
	    value: value,
	    dynamic: dynamic
	  }, range));
	  el.plain = false;
	}

	function addAttr(el, name, value, range, dynamic) {
	  var attrs = dynamic ? el.dynamicAttrs || (el.dynamicAttrs = []) : el.attrs || (el.attrs = []);
	  attrs.push(rangeSetItem({
	    name: name,
	    value: value,
	    dynamic: dynamic
	  }, range));
	  el.plain = false;
	} // add a raw attr (use this in preTransforms)


	function addRawAttr(el, name, value, range) {
	  el.attrsMap[name] = value;
	  el.attrsList.push(rangeSetItem({
	    name: name,
	    value: value
	  }, range));
	}

	function addDirective(el, name, rawName, value, arg, isDynamicArg, modifiers, range) {
	  (el.directives || (el.directives = [])).push(rangeSetItem({
	    name: name,
	    rawName: rawName,
	    value: value,
	    arg: arg,
	    isDynamicArg: isDynamicArg,
	    modifiers: modifiers
	  }, range));
	  el.plain = false;
	}

	function prependModifierMarker(symbol, name, dynamic) {
	  return dynamic ? "_p(".concat(name, ",\"").concat(symbol, "\")") : symbol + name; // mark the event as captured
	}

	function addHandler(el, name, value, modifiers, important, warn, range, dynamic) {
	  modifiers = modifiers || emptyObject; // warn prevent and passive modifier

	  /* istanbul ignore if */

	  if (warn && modifiers.prevent && modifiers.passive) {
	    warn('passive and prevent can\'t be used together. ' + 'Passive handler can\'t prevent default event.', range);
	  } // normalize click.right and click.middle since they don't actually fire
	  // this is technically browser-specific, but at least for now browsers are
	  // the only target envs that have right/middle clicks.


	  if (modifiers.right) {
	    if (dynamic) {
	      name = "(".concat(name, ")==='click'?'contextmenu':(").concat(name, ")");
	    } else if (name === 'click') {
	      name = 'contextmenu';
	      delete modifiers.right;
	    }
	  } else if (modifiers.middle) {
	    if (dynamic) {
	      name = "(".concat(name, ")==='click'?'mouseup':(").concat(name, ")");
	    } else if (name === 'click') {
	      name = 'mouseup';
	    }
	  } // check capture modifier


	  if (modifiers.capture) {
	    delete modifiers.capture;
	    name = prependModifierMarker('!', name, dynamic);
	  }

	  if (modifiers.once) {
	    delete modifiers.once;
	    name = prependModifierMarker('~', name, dynamic);
	  }
	  /* istanbul ignore if */


	  if (modifiers.passive) {
	    delete modifiers.passive;
	    name = prependModifierMarker('&', name, dynamic);
	  }

	  var events;

	  if (modifiers["native"]) {
	    delete modifiers["native"];
	    events = el.nativeEvents || (el.nativeEvents = {});
	  } else {
	    events = el.events || (el.events = {});
	  }

	  var newHandler = rangeSetItem({
	    value: value.trim(),
	    dynamic: dynamic
	  }, range);

	  if (modifiers !== emptyObject) {
	    newHandler.modifiers = modifiers;
	  }

	  var handlers = events[name];
	  /* istanbul ignore if */

	  if (Array.isArray(handlers)) {
	    important ? handlers.unshift(newHandler) : handlers.push(newHandler);
	  } else if (handlers) {
	    events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
	  } else {
	    events[name] = newHandler;
	  }

	  el.plain = false;
	}

	function getRawBindingAttr(el, name) {
	  return el.rawAttrsMap[':' + name] || el.rawAttrsMap['v-bind:' + name] || el.rawAttrsMap[name];
	}

	function getBindingAttr(el, name, getStatic) {
	  var dynamicValue = getAndRemoveAttr(el, ':' + name) || getAndRemoveAttr(el, 'v-bind:' + name);

	  if (dynamicValue != null) {
	    return parseFilters(dynamicValue);
	  } else if (getStatic !== false) {
	    var staticValue = getAndRemoveAttr(el, name);

	    if (staticValue != null) {
	      return JSON.stringify(staticValue);
	    }
	  }
	} // note: this only removes the attr from the Array (attrsList) so that it
	// doesn't get processed by processAttrs.
	// By default it does NOT remove it from the map (attrsMap) because the map is
	// needed during codegen.


	function getAndRemoveAttr(el, name, removeFromMap) {
	  var val;

	  if ((val = el.attrsMap[name]) != null) {
	    var list = el.attrsList;

	    for (var i = 0, l = list.length; i < l; i++) {
	      if (list[i].name === name) {
	        list.splice(i, 1);
	        break;
	      }
	    }
	  }

	  if (removeFromMap) {
	    delete el.attrsMap[name];
	  }

	  return val;
	}

	function getAndRemoveAttrByRegex(el, name) {
	  var list = el.attrsList;

	  for (var i = 0, l = list.length; i < l; i++) {
	    var attr = list[i];

	    if (name.test(attr.name)) {
	      list.splice(i, 1);
	      return attr;
	    }
	  }
	}

	function rangeSetItem(item, range) {
	  if (range) {
	    if (range.start != null) {
	      item.start = range.start;
	    }

	    if (range.end != null) {
	      item.end = range.end;
	    }
	  }

	  return item;
	}
	/*  */

	/**
	 * Cross-platform code generation for component v-model
	 */


	function genComponentModel(el, value, modifiers) {
	  var _ref = modifiers || {},
	      number = _ref.number,
	      trim = _ref.trim;

	  var baseValueExpression = '$$v';
	  var valueExpression = baseValueExpression;

	  if (trim) {
	    valueExpression = "(typeof ".concat(baseValueExpression, " === 'string'") + "? ".concat(baseValueExpression, ".trim()") + ": ".concat(baseValueExpression, ")");
	  }

	  if (number) {
	    valueExpression = "_n(".concat(valueExpression, ")");
	  }

	  var assignment = genAssignmentCode(value, valueExpression);
	  el.model = {
	    value: "(".concat(value, ")"),
	    expression: JSON.stringify(value),
	    callback: "function (".concat(baseValueExpression, ") {").concat(assignment, "}")
	  };
	}
	/**
	 * Cross-platform codegen helper for generating v-model value assignment code.
	 */


	function genAssignmentCode(value, assignment) {
	  var res = parseModel(value);

	  if (res.key === null) {
	    return "".concat(value, "=").concat(assignment);
	  } else {
	    return "$set(".concat(res.exp, ", ").concat(res.key, ", ").concat(assignment, ")");
	  }
	}
	/**
	 * Parse a v-model expression into a base path and a final key segment.
	 * Handles both dot-path and possible square brackets.
	 *
	 * Possible cases:
	 *
	 * - test
	 * - test[key]
	 * - test[test1[key]]
	 * - test["a"][key]
	 * - xxx.test[a[a].test1[key]]
	 * - test.xxx.a["asa"][test1[key]]
	 *
	 */


	var len, str, chr, index$1, expressionPos, expressionEndPos;

	function parseModel(val) {
	  // Fix https://github.com/vuejs/vue/pull/7730
	  // allow v-model="obj.val " (trailing whitespace)
	  val = val.trim();
	  len = val.length;

	  if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
	    index$1 = val.lastIndexOf('.');

	    if (index$1 > -1) {
	      return {
	        exp: val.slice(0, index$1),
	        key: '"' + val.slice(index$1 + 1) + '"'
	      };
	    } else {
	      return {
	        exp: val,
	        key: null
	      };
	    }
	  }

	  str = val;
	  index$1 = expressionPos = expressionEndPos = 0;

	  while (!eof()) {
	    chr = next();
	    /* istanbul ignore if */

	    if (isStringStart(chr)) {
	      parseString(chr);
	    } else if (chr === 0x5B) {
	      parseBracket(chr);
	    }
	  }

	  return {
	    exp: val.slice(0, expressionPos),
	    key: val.slice(expressionPos + 1, expressionEndPos)
	  };
	}

	function next() {
	  return str.charCodeAt(++index$1);
	}

	function eof() {
	  return index$1 >= len;
	}

	function isStringStart(chr) {
	  return chr === 0x22 || chr === 0x27;
	}

	function parseBracket(chr) {
	  var inBracket = 1;
	  expressionPos = index$1;

	  while (!eof()) {
	    chr = next();

	    if (isStringStart(chr)) {
	      parseString(chr);
	      continue;
	    }

	    if (chr === 0x5B) inBracket++;
	    if (chr === 0x5D) inBracket--;

	    if (inBracket === 0) {
	      expressionEndPos = index$1;
	      break;
	    }
	  }
	}

	function parseString(chr) {
	  var stringQuote = chr;

	  while (!eof()) {
	    chr = next();

	    if (chr === stringQuote) {
	      break;
	    }
	  }
	}
	/*  */


	var warn$1; // in some cases, the event used has to be determined at runtime
	// so we used some reserved tokens during compile.

	var RANGE_TOKEN = '__r';
	var CHECKBOX_RADIO_TOKEN = '__c';

	function model(el, dir, _warn) {
	  warn$1 = _warn;
	  var value = dir.value;
	  var modifiers = dir.modifiers;
	  var tag = el.tag;
	  var type = el.attrsMap.type;
	  {
	    // inputs with type="file" are read only and setting the input's
	    // value will throw an error.
	    if (tag === 'input' && type === 'file') {
	      warn$1("<".concat(el.tag, " v-model=\"").concat(value, "\" type=\"file\">:\n") + "File inputs are read only. Use a v-on:change listener instead.", el.rawAttrsMap['v-model']);
	    }
	  }

	  if (el.component) {
	    genComponentModel(el, value, modifiers); // component v-model doesn't need extra runtime

	    return false;
	  } else if (tag === 'select') {
	    genSelect(el, value, modifiers);
	  } else if (tag === 'input' && type === 'checkbox') {
	    genCheckboxModel(el, value, modifiers);
	  } else if (tag === 'input' && type === 'radio') {
	    genRadioModel(el, value, modifiers);
	  } else if (tag === 'input' || tag === 'textarea') {
	    genDefaultModel(el, value, modifiers);
	  } else if (!config.isReservedTag(tag)) {
	    genComponentModel(el, value, modifiers); // component v-model doesn't need extra runtime

	    return false;
	  } else {
	    warn$1("<".concat(el.tag, " v-model=\"").concat(value, "\">: ") + "v-model is not supported on this element type. " + 'If you are working with contenteditable, it\'s recommended to ' + 'wrap a library dedicated for that purpose inside a custom component.', el.rawAttrsMap['v-model']);
	  } // ensure runtime directive metadata


	  return true;
	}

	function genCheckboxModel(el, value, modifiers) {
	  var number = modifiers && modifiers.number;
	  var valueBinding = getBindingAttr(el, 'value') || 'null';
	  var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
	  var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
	  addProp(el, 'checked', "Array.isArray(".concat(value, ")") + "?_i(".concat(value, ",").concat(valueBinding, ")>-1") + (trueValueBinding === 'true' ? ":(".concat(value, ")") : ":_q(".concat(value, ",").concat(trueValueBinding, ")")));
	  addHandler(el, 'change', "var $$a=".concat(value, ",") + '$$el=$event.target,' + "$$c=$$el.checked?(".concat(trueValueBinding, "):(").concat(falseValueBinding, ");") + 'if(Array.isArray($$a)){' + "var $$v=".concat(number ? '_n(' + valueBinding + ')' : valueBinding, ",") + '$$i=_i($$a,$$v);' + "if($$el.checked){$$i<0&&(".concat(genAssignmentCode(value, '$$a.concat([$$v])'), ")}") + "else{$$i>-1&&(".concat(genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))'), ")}") + "}else{".concat(genAssignmentCode(value, '$$c'), "}"), null, true);
	}

	function genRadioModel(el, value, modifiers) {
	  var number = modifiers && modifiers.number;
	  var valueBinding = getBindingAttr(el, 'value') || 'null';
	  valueBinding = number ? "_n(".concat(valueBinding, ")") : valueBinding;
	  addProp(el, 'checked', "_q(".concat(value, ",").concat(valueBinding, ")"));
	  addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
	}

	function genSelect(el, value, modifiers) {
	  var number = modifiers && modifiers.number;
	  var selectedVal = "Array.prototype.filter" + ".call($event.target.options,function(o){return o.selected})" + ".map(function(o){var val = \"_value\" in o ? o._value : o.value;" + "return ".concat(number ? '_n(val)' : 'val', "})");
	  var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
	  var code = "var $$selectedVal = ".concat(selectedVal, ";");
	  code = "".concat(code, " ").concat(genAssignmentCode(value, assignment));
	  addHandler(el, 'change', code, null, true);
	}

	function genDefaultModel(el, value, modifiers) {
	  var type = el.attrsMap.type; // warn if v-bind:value conflicts with v-model
	  // except for inputs with v-bind:type

	  {
	    var _value = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];

	    var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];

	    if (_value && !typeBinding) {
	      var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
	      warn$1("".concat(binding, "=\"").concat(_value, "\" conflicts with v-model on the same element ") + 'because the latter already expands to a value binding internally', el.rawAttrsMap[binding]);
	    }
	  }

	  var _ref2 = modifiers || {},
	      lazy = _ref2.lazy,
	      number = _ref2.number,
	      trim = _ref2.trim;

	  var needCompositionGuard = !lazy && type !== 'range';
	  var event = lazy ? 'change' : type === 'range' ? RANGE_TOKEN : 'input';
	  var valueExpression = '$event.target.value';

	  if (trim) {
	    valueExpression = "$event.target.value.trim()";
	  }

	  if (number) {
	    valueExpression = "_n(".concat(valueExpression, ")");
	  }

	  var code = genAssignmentCode(value, valueExpression);

	  if (needCompositionGuard) {
	    code = "if($event.target.composing)return;".concat(code);
	  }

	  addProp(el, 'value', "(".concat(value, ")"));
	  addHandler(el, event, code, null, true);

	  if (trim || number) {
	    addHandler(el, 'blur', '$forceUpdate()');
	  }
	}
	/*  */
	// normalize v-model event tokens that can only be determined at runtime.
	// it's important to place the event as the first in the array because
	// the whole point is ensuring the v-model callback gets called before
	// user-attached handlers.


	function normalizeEvents(on) {
	  /* istanbul ignore if */
	  if (isDef(on[RANGE_TOKEN])) {
	    // IE input[type=range] only supports `change` event
	    var event = isIE ? 'change' : 'input';
	    on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
	    delete on[RANGE_TOKEN];
	  } // This was originally intended to fix #4521 but no longer necessary
	  // after 2.5. Keeping it for backwards compat with generated code from < 2.4

	  /* istanbul ignore if */


	  if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
	    on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);
	    delete on[CHECKBOX_RADIO_TOKEN];
	  }
	}

	var target$1;

	function createOnceHandler$1(event, handler, capture) {
	  var _target = target$1; // save current target element in closure

	  return function onceHandler() {
	    var res = handler.apply(null, arguments);

	    if (res !== null) {
	      remove$2(event, onceHandler, capture, _target);
	    }
	  };
	} // #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp
	// implementation and does not fire microtasks in between event propagation, so
	// safe to exclude.


	var useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53);

	function add$1(name, handler, capture, passive) {
	  // async edge case #6566: inner click event triggers patch, event handler
	  // attached to outer element during patch, and triggered again. This
	  // happens because browsers fire microtask ticks between event propagation.
	  // the solution is simple: we save the timestamp when a handler is attached,
	  // and the handler would only fire if the event passed to it was fired
	  // AFTER it was attached.
	  if (useMicrotaskFix) {
	    var attachedTimestamp = currentFlushTimestamp;
	    var original = handler;

	    handler = original._wrapper = function (e) {
	      if ( // no bubbling, should always fire.
	      // this is just a safety net in case event.timeStamp is unreliable in
	      // certain weird environments...
	      e.target === e.currentTarget || // event is fired after handler attachment
	      e.timeStamp >= attachedTimestamp || // bail for environments that have buggy event.timeStamp implementations
	      // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
	      // #9681 QtWebEngine event.timeStamp is negative value
	      e.timeStamp <= 0 || // #9448 bail if event is fired in another document in a multi-page
	      // electron/nw.js app, since event.timeStamp will be using a different
	      // starting reference
	      e.target.ownerDocument !== document) {
	        return original.apply(this, arguments);
	      }
	    };
	  }

	  target$1.addEventListener(name, handler, supportsPassive ? {
	    capture: capture,
	    passive: passive
	  } : capture);
	}

	function remove$2(name, handler, capture, _target) {
	  (_target || target$1).removeEventListener(name, handler._wrapper || handler, capture);
	}

	function updateDOMListeners(oldVnode, vnode) {
	  if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
	    return;
	  }

	  var on = vnode.data.on || {};
	  var oldOn = oldVnode.data.on || {};
	  target$1 = vnode.elm;
	  normalizeEvents(on);
	  updateListeners(on, oldOn, add$1, remove$2, createOnceHandler$1, vnode.context);
	  target$1 = undefined;
	}

	var events = {
	  create: updateDOMListeners,
	  update: updateDOMListeners
	};
	/*  */

	var svgContainer;

	function updateDOMProps(oldVnode, vnode) {
	  if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
	    return;
	  }

	  var key, cur;
	  var elm = vnode.elm;
	  var oldProps = oldVnode.data.domProps || {};
	  var props = vnode.data.domProps || {}; // clone observed objects, as the user probably wants to mutate it

	  if (isDef(props.__ob__)) {
	    props = vnode.data.domProps = extend({}, props);
	  }

	  for (key in oldProps) {
	    if (!(key in props)) {
	      elm[key] = '';
	    }
	  }

	  for (key in props) {
	    cur = props[key]; // ignore children if the node has textContent or innerHTML,
	    // as these will throw away existing DOM nodes and cause removal errors
	    // on subsequent patches (#3360)

	    if (key === 'textContent' || key === 'innerHTML') {
	      if (vnode.children) vnode.children.length = 0;
	      if (cur === oldProps[key]) continue; // #6601 work around Chrome version <= 55 bug where single textNode
	      // replaced by innerHTML/textContent retains its parentNode property

	      if (elm.childNodes.length === 1) {
	        elm.removeChild(elm.childNodes[0]);
	      }
	    }

	    if (key === 'value' && elm.tagName !== 'PROGRESS') {
	      // store value as _value as well since
	      // non-string values will be stringified
	      elm._value = cur; // avoid resetting cursor position when value is the same

	      var strCur = isUndef(cur) ? '' : String(cur);

	      if (shouldUpdateValue(elm, strCur)) {
	        elm.value = strCur;
	      }
	    } else if (key === 'innerHTML' && isSVG(elm.tagName) && isUndef(elm.innerHTML)) {
	      // IE doesn't support innerHTML for SVG elements
	      svgContainer = svgContainer || document.createElement('div');
	      svgContainer.innerHTML = "<svg>".concat(cur, "</svg>");
	      var svg = svgContainer.firstChild;

	      while (elm.firstChild) {
	        elm.removeChild(elm.firstChild);
	      }

	      while (svg.firstChild) {
	        elm.appendChild(svg.firstChild);
	      }
	    } else if ( // skip the update if old and new VDOM state is the same.
	    // `value` is handled separately because the DOM value may be temporarily
	    // out of sync with VDOM state due to focus, composition and modifiers.
	    // This  #4521 by skipping the unnecessary `checked` update.
	    cur !== oldProps[key]) {
	      // some property updates can throw
	      // e.g. `value` on <progress> w/ non-finite value
	      try {
	        elm[key] = cur;
	      } catch (e) {}
	    }
	  }
	} // check platforms/web/util/attrs.js acceptValue


	function shouldUpdateValue(elm, checkVal) {
	  return !elm.composing && (elm.tagName === 'OPTION' || isNotInFocusAndDirty(elm, checkVal) || isDirtyWithModifiers(elm, checkVal));
	}

	function isNotInFocusAndDirty(elm, checkVal) {
	  // return true when textbox (.number and .trim) loses focus and its value is
	  // not equal to the updated value
	  var notInFocus = true; // #6157
	  // work around IE bug when accessing document.activeElement in an iframe

	  try {
	    notInFocus = document.activeElement !== elm;
	  } catch (e) {}

	  return notInFocus && elm.value !== checkVal;
	}

	function isDirtyWithModifiers(elm, newVal) {
	  var value = elm.value;
	  var modifiers = elm._vModifiers; // injected by v-model runtime

	  if (isDef(modifiers)) {
	    if (modifiers.number) {
	      return toNumber(value) !== toNumber(newVal);
	    }

	    if (modifiers.trim) {
	      return value.trim() !== newVal.trim();
	    }
	  }

	  return value !== newVal;
	}

	var domProps = {
	  create: updateDOMProps,
	  update: updateDOMProps
	};
	/*  */

	var parseStyleText = cached(function (cssText) {
	  var res = {};
	  var listDelimiter = /;(?![^(]*\))/g;
	  var propertyDelimiter = /:(.+)/;
	  cssText.split(listDelimiter).forEach(function (item) {
	    if (item) {
	      var tmp = item.split(propertyDelimiter);
	      tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
	    }
	  });
	  return res;
	}); // merge static and dynamic style data on the same vnode

	function normalizeStyleData(data) {
	  var style = normalizeStyleBinding(data.style); // static style is pre-processed into an object during compilation
	  // and is always a fresh object, so it's safe to merge into it

	  return data.staticStyle ? extend(data.staticStyle, style) : style;
	} // normalize possible array / string values into Object


	function normalizeStyleBinding(bindingStyle) {
	  if (Array.isArray(bindingStyle)) {
	    return toObject(bindingStyle);
	  }

	  if (typeof bindingStyle === 'string') {
	    return parseStyleText(bindingStyle);
	  }

	  return bindingStyle;
	}
	/**
	 * parent component style should be after child's
	 * so that parent component's style could override it
	 */


	function getStyle(vnode, checkChild) {
	  var res = {};
	  var styleData;

	  if (checkChild) {
	    var childNode = vnode;

	    while (childNode.componentInstance) {
	      childNode = childNode.componentInstance._vnode;

	      if (childNode && childNode.data && (styleData = normalizeStyleData(childNode.data))) {
	        extend(res, styleData);
	      }
	    }
	  }

	  if (styleData = normalizeStyleData(vnode.data)) {
	    extend(res, styleData);
	  }

	  var parentNode = vnode;

	  while (parentNode = parentNode.parent) {
	    if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
	      extend(res, styleData);
	    }
	  }

	  return res;
	}
	/*  */


	var cssVarRE = /^--/;
	var importantRE = /\s*!important$/;

	var setProp = function setProp(el, name, val) {
	  /* istanbul ignore if */
	  if (cssVarRE.test(name)) {
	    el.style.setProperty(name, val);
	  } else if (importantRE.test(val)) {
	    el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important');
	  } else {
	    var normalizedName = normalize(name);

	    if (Array.isArray(val)) {
	      // Support values array created by autoprefixer, e.g.
	      // {display: ["-webkit-box", "-ms-flexbox", "flex"]}
	      // Set them one by one, and the browser will only set those it can recognize
	      for (var i = 0, _len4 = val.length; i < _len4; i++) {
	        el.style[normalizedName] = val[i];
	      }
	    } else {
	      el.style[normalizedName] = val;
	    }
	  }
	};

	var vendorNames = ['Webkit', 'Moz', 'ms'];
	var emptyStyle;
	var normalize = cached(function (prop) {
	  emptyStyle = emptyStyle || document.createElement('div').style;
	  prop = camelize(prop);

	  if (prop !== 'filter' && prop in emptyStyle) {
	    return prop;
	  }

	  var capName = prop.charAt(0).toUpperCase() + prop.slice(1);

	  for (var i = 0; i < vendorNames.length; i++) {
	    var name = vendorNames[i] + capName;

	    if (name in emptyStyle) {
	      return name;
	    }
	  }
	});

	function updateStyle(oldVnode, vnode) {
	  var data = vnode.data;
	  var oldData = oldVnode.data;

	  if (isUndef(data.staticStyle) && isUndef(data.style) && isUndef(oldData.staticStyle) && isUndef(oldData.style)) {
	    return;
	  }

	  var cur, name;
	  var el = vnode.elm;
	  var oldStaticStyle = oldData.staticStyle;
	  var oldStyleBinding = oldData.normalizedStyle || oldData.style || {}; // if static style exists, stylebinding already merged into it when doing normalizeStyleData

	  var oldStyle = oldStaticStyle || oldStyleBinding;
	  var style = normalizeStyleBinding(vnode.data.style) || {}; // store normalized style under a different key for next diff
	  // make sure to clone it if it's reactive, since the user likely wants
	  // to mutate it.

	  vnode.data.normalizedStyle = isDef(style.__ob__) ? extend({}, style) : style;
	  var newStyle = getStyle(vnode, true);

	  for (name in oldStyle) {
	    if (isUndef(newStyle[name])) {
	      setProp(el, name, '');
	    }
	  }

	  for (name in newStyle) {
	    cur = newStyle[name];

	    if (cur !== oldStyle[name]) {
	      // ie9 setting to null has no effect, must use empty string
	      setProp(el, name, cur == null ? '' : cur);
	    }
	  }
	}

	var style = {
	  create: updateStyle,
	  update: updateStyle
	};
	/*  */

	var whitespaceRE = /\s+/;
	/**
	 * Add class with compatibility for SVG since classList is not supported on
	 * SVG elements in IE
	 */

	function addClass(el, cls) {
	  /* istanbul ignore if */
	  if (!cls || !(cls = cls.trim())) {
	    return;
	  }
	  /* istanbul ignore else */


	  if (el.classList) {
	    if (cls.indexOf(' ') > -1) {
	      cls.split(whitespaceRE).forEach(function (c) {
	        return el.classList.add(c);
	      });
	    } else {
	      el.classList.add(cls);
	    }
	  } else {
	    var cur = " ".concat(el.getAttribute('class') || '', " ");

	    if (cur.indexOf(' ' + cls + ' ') < 0) {
	      el.setAttribute('class', (cur + cls).trim());
	    }
	  }
	}
	/**
	 * Remove class with compatibility for SVG since classList is not supported on
	 * SVG elements in IE
	 */


	function removeClass(el, cls) {
	  /* istanbul ignore if */
	  if (!cls || !(cls = cls.trim())) {
	    return;
	  }
	  /* istanbul ignore else */


	  if (el.classList) {
	    if (cls.indexOf(' ') > -1) {
	      cls.split(whitespaceRE).forEach(function (c) {
	        return el.classList.remove(c);
	      });
	    } else {
	      el.classList.remove(cls);
	    }

	    if (!el.classList.length) {
	      el.removeAttribute('class');
	    }
	  } else {
	    var cur = " ".concat(el.getAttribute('class') || '', " ");
	    var tar = ' ' + cls + ' ';

	    while (cur.indexOf(tar) >= 0) {
	      cur = cur.replace(tar, ' ');
	    }

	    cur = cur.trim();

	    if (cur) {
	      el.setAttribute('class', cur);
	    } else {
	      el.removeAttribute('class');
	    }
	  }
	}
	/*  */


	function resolveTransition(def$$1) {
	  if (!def$$1) {
	    return;
	  }
	  /* istanbul ignore else */


	  if (babelHelpers["typeof"](def$$1) === 'object') {
	    var res = {};

	    if (def$$1.css !== false) {
	      extend(res, autoCssTransition(def$$1.name || 'v'));
	    }

	    extend(res, def$$1);
	    return res;
	  } else if (typeof def$$1 === 'string') {
	    return autoCssTransition(def$$1);
	  }
	}

	var autoCssTransition = cached(function (name) {
	  return {
	    enterClass: "".concat(name, "-enter"),
	    enterToClass: "".concat(name, "-enter-to"),
	    enterActiveClass: "".concat(name, "-enter-active"),
	    leaveClass: "".concat(name, "-leave"),
	    leaveToClass: "".concat(name, "-leave-to"),
	    leaveActiveClass: "".concat(name, "-leave-active")
	  };
	});
	var hasTransition = inBrowser && !isIE9;
	var TRANSITION = 'transition';
	var ANIMATION = 'animation'; // Transition property/event sniffing

	var transitionProp = 'transition';
	var transitionEndEvent = 'transitionend';
	var animationProp = 'animation';
	var animationEndEvent = 'animationend';

	if (hasTransition) {
	  /* istanbul ignore if */
	  if (window.ontransitionend === undefined && window.onwebkittransitionend !== undefined) {
	    transitionProp = 'WebkitTransition';
	    transitionEndEvent = 'webkitTransitionEnd';
	  }

	  if (window.onanimationend === undefined && window.onwebkitanimationend !== undefined) {
	    animationProp = 'WebkitAnimation';
	    animationEndEvent = 'webkitAnimationEnd';
	  }
	} // binding to window is necessary to make hot reload work in IE in strict mode


	var raf = inBrowser ? window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : setTimeout :
	/* istanbul ignore next */
	function (fn) {
	  return fn();
	};

	function nextFrame(fn) {
	  raf(function () {
	    raf(fn);
	  });
	}

	function addTransitionClass(el, cls) {
	  var transitionClasses = el._transitionClasses || (el._transitionClasses = []);

	  if (transitionClasses.indexOf(cls) < 0) {
	    transitionClasses.push(cls);
	    addClass(el, cls);
	  }
	}

	function removeTransitionClass(el, cls) {
	  if (el._transitionClasses) {
	    remove(el._transitionClasses, cls);
	  }

	  removeClass(el, cls);
	}

	function whenTransitionEnds(el, expectedType, cb) {
	  var _getTransitionInfo = getTransitionInfo(el, expectedType),
	      type = _getTransitionInfo.type,
	      timeout = _getTransitionInfo.timeout,
	      propCount = _getTransitionInfo.propCount;

	  if (!type) return cb();
	  var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
	  var ended = 0;

	  var end = function end() {
	    el.removeEventListener(event, onEnd);
	    cb();
	  };

	  var onEnd = function onEnd(e) {
	    if (e.target === el) {
	      if (++ended >= propCount) {
	        end();
	      }
	    }
	  };

	  setTimeout(function () {
	    if (ended < propCount) {
	      end();
	    }
	  }, timeout + 1);
	  el.addEventListener(event, onEnd);
	}

	var transformRE = /\b(transform|all)(,|$)/;

	function getTransitionInfo(el, expectedType) {
	  var styles = window.getComputedStyle(el); // JSDOM may return undefined for transition properties

	  var transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', ');
	  var transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', ');
	  var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
	  var animationDelays = (styles[animationProp + 'Delay'] || '').split(', ');
	  var animationDurations = (styles[animationProp + 'Duration'] || '').split(', ');
	  var animationTimeout = getTimeout(animationDelays, animationDurations);
	  var type;
	  var timeout = 0;
	  var propCount = 0;
	  /* istanbul ignore if */

	  if (expectedType === TRANSITION) {
	    if (transitionTimeout > 0) {
	      type = TRANSITION;
	      timeout = transitionTimeout;
	      propCount = transitionDurations.length;
	    }
	  } else if (expectedType === ANIMATION) {
	    if (animationTimeout > 0) {
	      type = ANIMATION;
	      timeout = animationTimeout;
	      propCount = animationDurations.length;
	    }
	  } else {
	    timeout = Math.max(transitionTimeout, animationTimeout);
	    type = timeout > 0 ? transitionTimeout > animationTimeout ? TRANSITION : ANIMATION : null;
	    propCount = type ? type === TRANSITION ? transitionDurations.length : animationDurations.length : 0;
	  }

	  var hasTransform = type === TRANSITION && transformRE.test(styles[transitionProp + 'Property']);
	  return {
	    type: type,
	    timeout: timeout,
	    propCount: propCount,
	    hasTransform: hasTransform
	  };
	}

	function getTimeout(delays, durations) {
	  /* istanbul ignore next */
	  while (delays.length < durations.length) {
	    delays = delays.concat(delays);
	  }

	  return Math.max.apply(null, durations.map(function (d, i) {
	    return toMs(d) + toMs(delays[i]);
	  }));
	} // Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers
	// in a locale-dependent way, using a comma instead of a dot.
	// If comma is not replaced with a dot, the input will be rounded down (i.e. acting
	// as a floor function) causing unexpected behaviors


	function toMs(s) {
	  return Number(s.slice(0, -1).replace(',', '.')) * 1000;
	}
	/*  */


	function enter(vnode, toggleDisplay) {
	  var el = vnode.elm; // call leave callback now

	  if (isDef(el._leaveCb)) {
	    el._leaveCb.cancelled = true;

	    el._leaveCb();
	  }

	  var data = resolveTransition(vnode.data.transition);

	  if (isUndef(data)) {
	    return;
	  }
	  /* istanbul ignore if */


	  if (isDef(el._enterCb) || el.nodeType !== 1) {
	    return;
	  }

	  var css = data.css,
	      type = data.type,
	      enterClass = data.enterClass,
	      enterToClass = data.enterToClass,
	      enterActiveClass = data.enterActiveClass,
	      appearClass = data.appearClass,
	      appearToClass = data.appearToClass,
	      appearActiveClass = data.appearActiveClass,
	      beforeEnter = data.beforeEnter,
	      enter = data.enter,
	      afterEnter = data.afterEnter,
	      enterCancelled = data.enterCancelled,
	      beforeAppear = data.beforeAppear,
	      appear = data.appear,
	      afterAppear = data.afterAppear,
	      appearCancelled = data.appearCancelled,
	      duration = data.duration; // activeInstance will always be the <transition> component managing this
	  // transition. One edge case to check is when the <transition> is placed
	  // as the root node of a child component. In that case we need to check
	  // <transition>'s parent for appear check.

	  var context = activeInstance;
	  var transitionNode = activeInstance.$vnode;

	  while (transitionNode && transitionNode.parent) {
	    context = transitionNode.context;
	    transitionNode = transitionNode.parent;
	  }

	  var isAppear = !context._isMounted || !vnode.isRootInsert;

	  if (isAppear && !appear && appear !== '') {
	    return;
	  }

	  var startClass = isAppear && appearClass ? appearClass : enterClass;
	  var activeClass = isAppear && appearActiveClass ? appearActiveClass : enterActiveClass;
	  var toClass = isAppear && appearToClass ? appearToClass : enterToClass;
	  var beforeEnterHook = isAppear ? beforeAppear || beforeEnter : beforeEnter;
	  var enterHook = isAppear ? typeof appear === 'function' ? appear : enter : enter;
	  var afterEnterHook = isAppear ? afterAppear || afterEnter : afterEnter;
	  var enterCancelledHook = isAppear ? appearCancelled || enterCancelled : enterCancelled;
	  var explicitEnterDuration = toNumber(isObject(duration) ? duration.enter : duration);

	  if (explicitEnterDuration != null) {
	    checkDuration(explicitEnterDuration, 'enter', vnode);
	  }

	  var expectsCSS = css !== false && !isIE9;
	  var userWantsControl = getHookArgumentsLength(enterHook);
	  var cb = el._enterCb = once(function () {
	    if (expectsCSS) {
	      removeTransitionClass(el, toClass);
	      removeTransitionClass(el, activeClass);
	    }

	    if (cb.cancelled) {
	      if (expectsCSS) {
	        removeTransitionClass(el, startClass);
	      }

	      enterCancelledHook && enterCancelledHook(el);
	    } else {
	      afterEnterHook && afterEnterHook(el);
	    }

	    el._enterCb = null;
	  });

	  if (!vnode.data.show) {
	    // remove pending leave element on enter by injecting an insert hook
	    mergeVNodeHook(vnode, 'insert', function () {
	      var parent = el.parentNode;
	      var pendingNode = parent && parent._pending && parent._pending[vnode.key];

	      if (pendingNode && pendingNode.tag === vnode.tag && pendingNode.elm._leaveCb) {
	        pendingNode.elm._leaveCb();
	      }

	      enterHook && enterHook(el, cb);
	    });
	  } // start enter transition


	  beforeEnterHook && beforeEnterHook(el);

	  if (expectsCSS) {
	    addTransitionClass(el, startClass);
	    addTransitionClass(el, activeClass);
	    nextFrame(function () {
	      removeTransitionClass(el, startClass);

	      if (!cb.cancelled) {
	        addTransitionClass(el, toClass);

	        if (!userWantsControl) {
	          if (isValidDuration(explicitEnterDuration)) {
	            setTimeout(cb, explicitEnterDuration);
	          } else {
	            whenTransitionEnds(el, type, cb);
	          }
	        }
	      }
	    });
	  }

	  if (vnode.data.show) {
	    toggleDisplay && toggleDisplay();
	    enterHook && enterHook(el, cb);
	  }

	  if (!expectsCSS && !userWantsControl) {
	    cb();
	  }
	}

	function leave(vnode, rm) {
	  var el = vnode.elm; // call enter callback now

	  if (isDef(el._enterCb)) {
	    el._enterCb.cancelled = true;

	    el._enterCb();
	  }

	  var data = resolveTransition(vnode.data.transition);

	  if (isUndef(data) || el.nodeType !== 1) {
	    return rm();
	  }
	  /* istanbul ignore if */


	  if (isDef(el._leaveCb)) {
	    return;
	  }

	  var css = data.css,
	      type = data.type,
	      leaveClass = data.leaveClass,
	      leaveToClass = data.leaveToClass,
	      leaveActiveClass = data.leaveActiveClass,
	      beforeLeave = data.beforeLeave,
	      leave = data.leave,
	      afterLeave = data.afterLeave,
	      leaveCancelled = data.leaveCancelled,
	      delayLeave = data.delayLeave,
	      duration = data.duration;
	  var expectsCSS = css !== false && !isIE9;
	  var userWantsControl = getHookArgumentsLength(leave);
	  var explicitLeaveDuration = toNumber(isObject(duration) ? duration.leave : duration);

	  if (isDef(explicitLeaveDuration)) {
	    checkDuration(explicitLeaveDuration, 'leave', vnode);
	  }

	  var cb = el._leaveCb = once(function () {
	    if (el.parentNode && el.parentNode._pending) {
	      el.parentNode._pending[vnode.key] = null;
	    }

	    if (expectsCSS) {
	      removeTransitionClass(el, leaveToClass);
	      removeTransitionClass(el, leaveActiveClass);
	    }

	    if (cb.cancelled) {
	      if (expectsCSS) {
	        removeTransitionClass(el, leaveClass);
	      }

	      leaveCancelled && leaveCancelled(el);
	    } else {
	      rm();
	      afterLeave && afterLeave(el);
	    }

	    el._leaveCb = null;
	  });

	  if (delayLeave) {
	    delayLeave(performLeave);
	  } else {
	    performLeave();
	  }

	  function performLeave() {
	    // the delayed leave may have already been cancelled
	    if (cb.cancelled) {
	      return;
	    } // record leaving element


	    if (!vnode.data.show && el.parentNode) {
	      (el.parentNode._pending || (el.parentNode._pending = {}))[vnode.key] = vnode;
	    }

	    beforeLeave && beforeLeave(el);

	    if (expectsCSS) {
	      addTransitionClass(el, leaveClass);
	      addTransitionClass(el, leaveActiveClass);
	      nextFrame(function () {
	        removeTransitionClass(el, leaveClass);

	        if (!cb.cancelled) {
	          addTransitionClass(el, leaveToClass);

	          if (!userWantsControl) {
	            if (isValidDuration(explicitLeaveDuration)) {
	              setTimeout(cb, explicitLeaveDuration);
	            } else {
	              whenTransitionEnds(el, type, cb);
	            }
	          }
	        }
	      });
	    }

	    leave && leave(el, cb);

	    if (!expectsCSS && !userWantsControl) {
	      cb();
	    }
	  }
	} // only used in dev mode


	function checkDuration(val, name, vnode) {
	  if (typeof val !== 'number') {
	    warn("<transition> explicit ".concat(name, " duration is not a valid number - ") + "got ".concat(JSON.stringify(val), "."), vnode.context);
	  } else if (isNaN(val)) {
	    warn("<transition> explicit ".concat(name, " duration is NaN - ") + 'the duration expression might be incorrect.', vnode.context);
	  }
	}

	function isValidDuration(val) {
	  return typeof val === 'number' && !isNaN(val);
	}
	/**
	 * Normalize a transition hook's argument length. The hook may be:
	 * - a merged hook (invoker) with the original in .fns
	 * - a wrapped component method (check ._length)
	 * - a plain function (.length)
	 */


	function getHookArgumentsLength(fn) {
	  if (isUndef(fn)) {
	    return false;
	  }

	  var invokerFns = fn.fns;

	  if (isDef(invokerFns)) {
	    // invoker
	    return getHookArgumentsLength(Array.isArray(invokerFns) ? invokerFns[0] : invokerFns);
	  } else {
	    return (fn._length || fn.length) > 1;
	  }
	}

	function _enter(_, vnode) {
	  if (vnode.data.show !== true) {
	    enter(vnode);
	  }
	}

	var transition = inBrowser ? {
	  create: _enter,
	  activate: _enter,
	  remove: function remove(vnode, rm) {
	    /* istanbul ignore else */
	    if (vnode.data.show !== true) {
	      leave(vnode, rm);
	    } else {
	      rm();
	    }
	  }
	} : {};
	var platformModules = [attrs, klass, events, domProps, style, transition];
	/*  */
	// the directive module should be applied last, after all
	// built-in modules have been applied.

	var modules = platformModules.concat(baseModules);
	var patch = createPatchFunction({
	  nodeOps: nodeOps,
	  modules: modules
	});
	/**
	 * Not type checking this file because flow doesn't like attaching
	 * properties to Elements.
	 */

	/* istanbul ignore if */

	if (isIE9) {
	  // http://www.matts411.com/post/internet-explorer-9-oninput/
	  document.addEventListener('selectionchange', function () {
	    var el = document.activeElement;

	    if (el && el.vmodel) {
	      trigger(el, 'input');
	    }
	  });
	}

	var directive = {
	  inserted: function inserted(el, binding, vnode, oldVnode) {
	    if (vnode.tag === 'select') {
	      // #6903
	      if (oldVnode.elm && !oldVnode.elm._vOptions) {
	        mergeVNodeHook(vnode, 'postpatch', function () {
	          directive.componentUpdated(el, binding, vnode);
	        });
	      } else {
	        setSelected(el, binding, vnode.context);
	      }

	      el._vOptions = [].map.call(el.options, getValue);
	    } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
	      el._vModifiers = binding.modifiers;

	      if (!binding.modifiers.lazy) {
	        el.addEventListener('compositionstart', onCompositionStart);
	        el.addEventListener('compositionend', onCompositionEnd); // Safari < 10.2 & UIWebView doesn't fire compositionend when
	        // switching focus before confirming composition choice
	        // this also fixes the issue where some browsers e.g. iOS Chrome
	        // fires "change" instead of "input" on autocomplete.

	        el.addEventListener('change', onCompositionEnd);
	        /* istanbul ignore if */

	        if (isIE9) {
	          el.vmodel = true;
	        }
	      }
	    }
	  },
	  componentUpdated: function componentUpdated(el, binding, vnode) {
	    if (vnode.tag === 'select') {
	      setSelected(el, binding, vnode.context); // in case the options rendered by v-for have changed,
	      // it's possible that the value is out-of-sync with the rendered options.
	      // detect such cases and filter out values that no longer has a matching
	      // option in the DOM.

	      var prevOptions = el._vOptions;
	      var curOptions = el._vOptions = [].map.call(el.options, getValue);

	      if (curOptions.some(function (o, i) {
	        return !looseEqual(o, prevOptions[i]);
	      })) {
	        // trigger change event if
	        // no matching option found for at least one value
	        var needReset = el.multiple ? binding.value.some(function (v) {
	          return hasNoMatchingOption(v, curOptions);
	        }) : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions);

	        if (needReset) {
	          trigger(el, 'change');
	        }
	      }
	    }
	  }
	};

	function setSelected(el, binding, vm) {
	  actuallySetSelected(el, binding, vm);
	  /* istanbul ignore if */

	  if (isIE || isEdge) {
	    setTimeout(function () {
	      actuallySetSelected(el, binding, vm);
	    }, 0);
	  }
	}

	function actuallySetSelected(el, binding, vm) {
	  var value = binding.value;
	  var isMultiple = el.multiple;

	  if (isMultiple && !Array.isArray(value)) {
	    warn("<select multiple v-model=\"".concat(binding.expression, "\"> ") + "expects an Array value for its binding, but got ".concat(Object.prototype.toString.call(value).slice(8, -1)), vm);
	    return;
	  }

	  var selected, option;

	  for (var i = 0, l = el.options.length; i < l; i++) {
	    option = el.options[i];

	    if (isMultiple) {
	      selected = looseIndexOf(value, getValue(option)) > -1;

	      if (option.selected !== selected) {
	        option.selected = selected;
	      }
	    } else {
	      if (looseEqual(getValue(option), value)) {
	        if (el.selectedIndex !== i) {
	          el.selectedIndex = i;
	        }

	        return;
	      }
	    }
	  }

	  if (!isMultiple) {
	    el.selectedIndex = -1;
	  }
	}

	function hasNoMatchingOption(value, options) {
	  return options.every(function (o) {
	    return !looseEqual(o, value);
	  });
	}

	function getValue(option) {
	  return '_value' in option ? option._value : option.value;
	}

	function onCompositionStart(e) {
	  e.target.composing = true;
	}

	function onCompositionEnd(e) {
	  // prevent triggering an input event for no reason
	  if (!e.target.composing) return;
	  e.target.composing = false;
	  trigger(e.target, 'input');
	}

	function trigger(el, type) {
	  var e = document.createEvent('HTMLEvents');
	  e.initEvent(type, true, true);
	  el.dispatchEvent(e);
	}
	/*  */
	// recursively search for possible transition defined inside the component root


	function locateNode(vnode) {
	  return vnode.componentInstance && (!vnode.data || !vnode.data.transition) ? locateNode(vnode.componentInstance._vnode) : vnode;
	}

	var show = {
	  bind: function bind(el, _ref3, vnode) {
	    var value = _ref3.value;
	    vnode = locateNode(vnode);
	    var transition$$1 = vnode.data && vnode.data.transition;
	    var originalDisplay = el.__vOriginalDisplay = el.style.display === 'none' ? '' : el.style.display;

	    if (value && transition$$1) {
	      vnode.data.show = true;
	      enter(vnode, function () {
	        el.style.display = originalDisplay;
	      });
	    } else {
	      el.style.display = value ? originalDisplay : 'none';
	    }
	  },
	  update: function update(el, _ref4, vnode) {
	    var value = _ref4.value,
	        oldValue = _ref4.oldValue;

	    /* istanbul ignore if */
	    if (!value === !oldValue) return;
	    vnode = locateNode(vnode);
	    var transition$$1 = vnode.data && vnode.data.transition;

	    if (transition$$1) {
	      vnode.data.show = true;

	      if (value) {
	        enter(vnode, function () {
	          el.style.display = el.__vOriginalDisplay;
	        });
	      } else {
	        leave(vnode, function () {
	          el.style.display = 'none';
	        });
	      }
	    } else {
	      el.style.display = value ? el.__vOriginalDisplay : 'none';
	    }
	  },
	  unbind: function unbind(el, binding, vnode, oldVnode, isDestroy) {
	    if (!isDestroy) {
	      el.style.display = el.__vOriginalDisplay;
	    }
	  }
	};
	var platformDirectives = {
	  model: directive,
	  show: show
	};
	/*  */

	var transitionProps = {
	  name: String,
	  appear: Boolean,
	  css: Boolean,
	  mode: String,
	  type: String,
	  enterClass: String,
	  leaveClass: String,
	  enterToClass: String,
	  leaveToClass: String,
	  enterActiveClass: String,
	  leaveActiveClass: String,
	  appearClass: String,
	  appearActiveClass: String,
	  appearToClass: String,
	  duration: [Number, String, Object]
	}; // in case the child is also an abstract component, e.g. <keep-alive>
	// we want to recursively retrieve the real component to be rendered

	function getRealChild(vnode) {
	  var compOptions = vnode && vnode.componentOptions;

	  if (compOptions && compOptions.Ctor.options["abstract"]) {
	    return getRealChild(getFirstComponentChild(compOptions.children));
	  } else {
	    return vnode;
	  }
	}

	function extractTransitionData(comp) {
	  var data = {};
	  var options = comp.$options; // props

	  for (var key in options.propsData) {
	    data[key] = comp[key];
	  } // events.
	  // extract listeners and pass them directly to the transition methods


	  var listeners = options._parentListeners;

	  for (var _key6 in listeners) {
	    data[camelize(_key6)] = listeners[_key6];
	  }

	  return data;
	}

	function placeholder(h, rawChild) {
	  if (/\d-keep-alive$/.test(rawChild.tag)) {
	    return h('keep-alive', {
	      props: rawChild.componentOptions.propsData
	    });
	  }
	}

	function hasParentTransition(vnode) {
	  while (vnode = vnode.parent) {
	    if (vnode.data.transition) {
	      return true;
	    }
	  }
	}

	function isSameChild(child, oldChild) {
	  return oldChild.key === child.key && oldChild.tag === child.tag;
	}

	var isNotTextNode = function isNotTextNode(c) {
	  return c.tag || isAsyncPlaceholder(c);
	};

	var isVShowDirective = function isVShowDirective(d) {
	  return d.name === 'show';
	};

	var Transition = {
	  name: 'transition',
	  props: transitionProps,
	  "abstract": true,
	  render: function render(h) {
	    var _this3 = this;

	    var children = this.$slots["default"];

	    if (!children) {
	      return;
	    } // filter out text nodes (possible whitespaces)


	    children = children.filter(isNotTextNode);
	    /* istanbul ignore if */

	    if (!children.length) {
	      return;
	    } // warn multiple elements


	    if (children.length > 1) {
	      warn('<transition> can only be used on a single element. Use ' + '<transition-group> for lists.', this.$parent);
	    }

	    var mode = this.mode; // warn invalid mode

	    if (mode && mode !== 'in-out' && mode !== 'out-in') {
	      warn('invalid <transition> mode: ' + mode, this.$parent);
	    }

	    var rawChild = children[0]; // if this is a component root node and the component's
	    // parent container node also has transition, skip.

	    if (hasParentTransition(this.$vnode)) {
	      return rawChild;
	    } // apply transition data to child
	    // use getRealChild() to ignore abstract components e.g. keep-alive


	    var child = getRealChild(rawChild);
	    /* istanbul ignore if */

	    if (!child) {
	      return rawChild;
	    }

	    if (this._leaving) {
	      return placeholder(h, rawChild);
	    } // ensure a key that is unique to the vnode type and to this transition
	    // component instance. This key will be used to remove pending leaving nodes
	    // during entering.


	    var id = "__transition-".concat(this._uid, "-");
	    child.key = child.key == null ? child.isComment ? id + 'comment' : id + child.tag : isPrimitive(child.key) ? String(child.key).indexOf(id) === 0 ? child.key : id + child.key : child.key;
	    var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
	    var oldRawChild = this._vnode;
	    var oldChild = getRealChild(oldRawChild); // mark v-show
	    // so that the transition module can hand over the control to the directive

	    if (child.data.directives && child.data.directives.some(isVShowDirective)) {
	      child.data.show = true;
	    }

	    if (oldChild && oldChild.data && !isSameChild(child, oldChild) && !isAsyncPlaceholder(oldChild) && // #6687 component root is a comment node
	    !(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment)) {
	      // replace old child transition data with fresh one
	      // important for dynamic transitions!
	      var oldData = oldChild.data.transition = extend({}, data); // handle transition mode

	      if (mode === 'out-in') {
	        // return placeholder node and queue update when leave finishes
	        this._leaving = true;
	        mergeVNodeHook(oldData, 'afterLeave', function () {
	          _this3._leaving = false;

	          _this3.$forceUpdate();
	        });
	        return placeholder(h, rawChild);
	      } else if (mode === 'in-out') {
	        if (isAsyncPlaceholder(child)) {
	          return oldRawChild;
	        }

	        var delayedLeave;

	        var performLeave = function performLeave() {
	          delayedLeave();
	        };

	        mergeVNodeHook(data, 'afterEnter', performLeave);
	        mergeVNodeHook(data, 'enterCancelled', performLeave);
	        mergeVNodeHook(oldData, 'delayLeave', function (leave) {
	          delayedLeave = leave;
	        });
	      }
	    }

	    return rawChild;
	  }
	};
	/*  */

	var props = extend({
	  tag: String,
	  moveClass: String
	}, transitionProps);
	delete props.mode;
	var TransitionGroup = {
	  props: props,
	  beforeMount: function beforeMount() {
	    var _this4 = this;

	    var update = this._update;

	    this._update = function (vnode, hydrating) {
	      var restoreActiveInstance = setActiveInstance(_this4); // force removing pass

	      _this4.__patch__(_this4._vnode, _this4.kept, false, // hydrating
	      true // removeOnly (!important, avoids unnecessary moves)
	      );

	      _this4._vnode = _this4.kept;
	      restoreActiveInstance();
	      update.call(_this4, vnode, hydrating);
	    };
	  },
	  render: function render(h) {
	    var tag = this.tag || this.$vnode.data.tag || 'span';
	    var map = Object.create(null);
	    var prevChildren = this.prevChildren = this.children;
	    var rawChildren = this.$slots["default"] || [];
	    var children = this.children = [];
	    var transitionData = extractTransitionData(this);

	    for (var i = 0; i < rawChildren.length; i++) {
	      var c = rawChildren[i];

	      if (c.tag) {
	        if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
	          children.push(c);
	          map[c.key] = c;
	          (c.data || (c.data = {})).transition = transitionData;
	        } else {
	          var _opts = c.componentOptions;
	          var name = _opts ? _opts.Ctor.options.name || _opts.tag || '' : c.tag;
	          warn("<transition-group> children must be keyed: <".concat(name, ">"));
	        }
	      }
	    }

	    if (prevChildren) {
	      var kept = [];
	      var removed = [];

	      for (var _i12 = 0; _i12 < prevChildren.length; _i12++) {
	        var _c = prevChildren[_i12];
	        _c.data.transition = transitionData;
	        _c.data.pos = _c.elm.getBoundingClientRect();

	        if (map[_c.key]) {
	          kept.push(_c);
	        } else {
	          removed.push(_c);
	        }
	      }

	      this.kept = h(tag, null, kept);
	      this.removed = removed;
	    }

	    return h(tag, null, children);
	  },
	  updated: function updated() {
	    var children = this.prevChildren;
	    var moveClass = this.moveClass || (this.name || 'v') + '-move';

	    if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
	      return;
	    } // we divide the work into three loops to avoid mixing DOM reads and writes
	    // in each iteration - which helps prevent layout thrashing.


	    children.forEach(callPendingCbs);
	    children.forEach(recordPosition);
	    children.forEach(applyTranslation); // force reflow to put everything in position
	    // assign to this to avoid being removed in tree-shaking
	    // $flow-disable-line

	    this._reflow = document.body.offsetHeight;
	    children.forEach(function (c) {
	      if (c.data.moved) {
	        var el = c.elm;
	        var s = el.style;
	        addTransitionClass(el, moveClass);
	        s.transform = s.WebkitTransform = s.transitionDuration = '';
	        el.addEventListener(transitionEndEvent, el._moveCb = function cb(e) {
	          if (e && e.target !== el) {
	            return;
	          }

	          if (!e || /transform$/.test(e.propertyName)) {
	            el.removeEventListener(transitionEndEvent, cb);
	            el._moveCb = null;
	            removeTransitionClass(el, moveClass);
	          }
	        });
	      }
	    });
	  },
	  methods: {
	    hasMove: function hasMove(el, moveClass) {
	      /* istanbul ignore if */
	      if (!hasTransition) {
	        return false;
	      }
	      /* istanbul ignore if */


	      if (this._hasMove) {
	        return this._hasMove;
	      } // Detect whether an element with the move class applied has
	      // CSS transitions. Since the element may be inside an entering
	      // transition at this very moment, we make a clone of it and remove
	      // all other transition classes applied to ensure only the move class
	      // is applied.


	      var clone = el.cloneNode();

	      if (el._transitionClasses) {
	        el._transitionClasses.forEach(function (cls) {
	          removeClass(clone, cls);
	        });
	      }

	      addClass(clone, moveClass);
	      clone.style.display = 'none';
	      this.$el.appendChild(clone);
	      var info = getTransitionInfo(clone);
	      this.$el.removeChild(clone);
	      return this._hasMove = info.hasTransform;
	    }
	  }
	};

	function callPendingCbs(c) {
	  /* istanbul ignore if */
	  if (c.elm._moveCb) {
	    c.elm._moveCb();
	  }
	  /* istanbul ignore if */


	  if (c.elm._enterCb) {
	    c.elm._enterCb();
	  }
	}

	function recordPosition(c) {
	  c.data.newPos = c.elm.getBoundingClientRect();
	}

	function applyTranslation(c) {
	  var oldPos = c.data.pos;
	  var newPos = c.data.newPos;
	  var dx = oldPos.left - newPos.left;
	  var dy = oldPos.top - newPos.top;

	  if (dx || dy) {
	    c.data.moved = true;
	    var s = c.elm.style;
	    s.transform = s.WebkitTransform = "translate(".concat(dx, "px,").concat(dy, "px)");
	    s.transitionDuration = '0s';
	  }
	}

	var platformComponents = {
	  Transition: Transition,
	  TransitionGroup: TransitionGroup
	};
	/*  */
	// install platform specific utils

	Vue.config.mustUseProp = mustUseProp;
	Vue.config.isReservedTag = isReservedTag;
	Vue.config.isReservedAttr = isReservedAttr;
	Vue.config.getTagNamespace = getTagNamespace;
	Vue.config.isUnknownElement = isUnknownElement; // install platform runtime directives & components

	extend(Vue.options.directives, platformDirectives);
	extend(Vue.options.components, platformComponents); // install platform patch function

	Vue.prototype.__patch__ = inBrowser ? patch : noop; // public mount method

	Vue.prototype.$mount = function (el, hydrating) {
	  el = el && inBrowser ? query(el) : undefined;
	  return mountComponent(this, el, hydrating);
	}; // devtools global hook

	/* istanbul ignore next */


	if (inBrowser) {
	  setTimeout(function () {
	    if (config.devtools) {
	      if (devtools) {
	        devtools.emit('init', Vue);
	      } else {
	        console[console.info ? 'info' : 'log']('Download the Vue Devtools extension for a better development experience:\n' + 'https://github.com/vuejs/vue-devtools');
	      }
	    }

	    if (config.productionTip !== false && typeof console !== 'undefined') {
	      console[console.info ? 'info' : 'log']("You are running Vue in development mode.\n" + "Make sure to turn on production mode when deploying for production.\n" + "See more tips at https://vuejs.org/guide/deployment.html");
	    }
	  }, 0);
	}
	/*  */


	var defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g;
	var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
	var buildRegex = cached(function (delimiters) {
	  var open = delimiters[0].replace(regexEscapeRE, '\\$&');
	  var close = delimiters[1].replace(regexEscapeRE, '\\$&');
	  return new RegExp(open + '((?:.|\\n)+?)' + close, 'g');
	});

	function parseText(text, delimiters) {
	  var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;

	  if (!tagRE.test(text)) {
	    return;
	  }

	  var tokens = [];
	  var rawTokens = [];
	  var lastIndex = tagRE.lastIndex = 0;
	  var match, index, tokenValue;

	  while (match = tagRE.exec(text)) {
	    index = match.index; // push text token

	    if (index > lastIndex) {
	      rawTokens.push(tokenValue = text.slice(lastIndex, index));
	      tokens.push(JSON.stringify(tokenValue));
	    } // tag token


	    var exp = parseFilters(match[1].trim());
	    tokens.push("_s(".concat(exp, ")"));
	    rawTokens.push({
	      '@binding': exp
	    });
	    lastIndex = index + match[0].length;
	  }

	  if (lastIndex < text.length) {
	    rawTokens.push(tokenValue = text.slice(lastIndex));
	    tokens.push(JSON.stringify(tokenValue));
	  }

	  return {
	    expression: tokens.join('+'),
	    tokens: rawTokens
	  };
	}
	/*  */


	function transformNode(el, options) {
	  var warn = options.warn || baseWarn;
	  var staticClass = getAndRemoveAttr(el, 'class');

	  if (staticClass) {
	    var res = parseText(staticClass, options.delimiters);

	    if (res) {
	      warn("class=\"".concat(staticClass, "\": ") + 'Interpolation inside attributes has been removed. ' + 'Use v-bind or the colon shorthand instead. For example, ' + 'instead of <div class="{{ val }}">, use <div :class="val">.', el.rawAttrsMap['class']);
	    }
	  }

	  if (staticClass) {
	    el.staticClass = JSON.stringify(staticClass);
	  }

	  var classBinding = getBindingAttr(el, 'class', false
	  /* getStatic */
	  );

	  if (classBinding) {
	    el.classBinding = classBinding;
	  }
	}

	function genData(el) {
	  var data = '';

	  if (el.staticClass) {
	    data += "staticClass:".concat(el.staticClass, ",");
	  }

	  if (el.classBinding) {
	    data += "class:".concat(el.classBinding, ",");
	  }

	  return data;
	}

	var klass$1 = {
	  staticKeys: ['staticClass'],
	  transformNode: transformNode,
	  genData: genData
	};
	/*  */

	function transformNode$1(el, options) {
	  var warn = options.warn || baseWarn;
	  var staticStyle = getAndRemoveAttr(el, 'style');

	  if (staticStyle) {
	    /* istanbul ignore if */
	    {
	      var res = parseText(staticStyle, options.delimiters);

	      if (res) {
	        warn("style=\"".concat(staticStyle, "\": ") + 'Interpolation inside attributes has been removed. ' + 'Use v-bind or the colon shorthand instead. For example, ' + 'instead of <div style="{{ val }}">, use <div :style="val">.', el.rawAttrsMap['style']);
	      }
	    }
	    el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
	  }

	  var styleBinding = getBindingAttr(el, 'style', false
	  /* getStatic */
	  );

	  if (styleBinding) {
	    el.styleBinding = styleBinding;
	  }
	}

	function genData$1(el) {
	  var data = '';

	  if (el.staticStyle) {
	    data += "staticStyle:".concat(el.staticStyle, ",");
	  }

	  if (el.styleBinding) {
	    data += "style:(".concat(el.styleBinding, "),");
	  }

	  return data;
	}

	var style$1 = {
	  staticKeys: ['staticStyle'],
	  transformNode: transformNode$1,
	  genData: genData$1
	};
	/*  */

	var decoder;
	var he = {
	  decode: function decode(html) {
	    decoder = decoder || document.createElement('div');
	    decoder.innerHTML = html;
	    return decoder.textContent;
	  }
	};
	/*  */

	var isUnaryTag = makeMap('area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' + 'link,meta,param,source,track,wbr'); // Elements that you can, intentionally, leave open
	// (and which close themselves)

	var canBeLeftOpenTag = makeMap('colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'); // HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
	// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content

	var isNonPhrasingTag = makeMap('address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' + 'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' + 'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' + 'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' + 'title,tr,track');
	/**
	 * Not type-checking this file because it's mostly vendor code.
	 */
	// Regular Expressions for parsing tags and attributes

	var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
	var dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+?\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
	var ncname = "[a-zA-Z_][\\-\\.0-9_a-zA-Z".concat(unicodeRegExp.source, "]*");
	var qnameCapture = "((?:".concat(ncname, "\\:)?").concat(ncname, ")");
	var startTagOpen = new RegExp("^<".concat(qnameCapture));
	var startTagClose = /^\s*(\/?)>/;
	var endTag = new RegExp("^<\\/".concat(qnameCapture, "[^>]*>"));
	var doctype = /^<!DOCTYPE [^>]+>/i; // #7298: escape - to avoid being passed as HTML comment when inlined in page

	var comment = /^<!\--/;
	var conditionalComment = /^<!\[/; // Special Elements (can contain anything)

	var isPlainTextElement = makeMap('script,style,textarea', true);
	var reCache = {};
	var decodingMap = {
	  '&lt;': '<',
	  '&gt;': '>',
	  '&quot;': '"',
	  '&amp;': '&',
	  '&#10;': '\n',
	  '&#9;': '\t',
	  '&#39;': "'"
	};
	var encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;
	var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g; // #5992

	var isIgnoreNewlineTag = makeMap('pre,textarea', true);

	var shouldIgnoreFirstNewline = function shouldIgnoreFirstNewline(tag, html) {
	  return tag && isIgnoreNewlineTag(tag) && html[0] === '\n';
	};

	function decodeAttr(value, shouldDecodeNewlines) {
	  var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
	  return value.replace(re, function (match) {
	    return decodingMap[match];
	  });
	}

	function parseHTML(html, options) {
	  var stack = [];
	  var expectHTML = options.expectHTML;
	  var isUnaryTag$$1 = options.isUnaryTag || no;
	  var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
	  var index = 0;
	  var last, lastTag;

	  while (html) {
	    last = html; // Make sure we're not in a plaintext content element like script/style

	    if (!lastTag || !isPlainTextElement(lastTag)) {
	      var textEnd = html.indexOf('<');

	      if (textEnd === 0) {
	        // Comment:
	        if (comment.test(html)) {
	          var commentEnd = html.indexOf('-->');

	          if (commentEnd >= 0) {
	            if (options.shouldKeepComment) {
	              options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);
	            }

	            advance(commentEnd + 3);
	            continue;
	          }
	        } // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment


	        if (conditionalComment.test(html)) {
	          var conditionalEnd = html.indexOf(']>');

	          if (conditionalEnd >= 0) {
	            advance(conditionalEnd + 2);
	            continue;
	          }
	        } // Doctype:


	        var doctypeMatch = html.match(doctype);

	        if (doctypeMatch) {
	          advance(doctypeMatch[0].length);
	          continue;
	        } // End tag:


	        var endTagMatch = html.match(endTag);

	        if (endTagMatch) {
	          var curIndex = index;
	          advance(endTagMatch[0].length);
	          parseEndTag(endTagMatch[1], curIndex, index);
	          continue;
	        } // Start tag:


	        var startTagMatch = parseStartTag();

	        if (startTagMatch) {
	          handleStartTag(startTagMatch);

	          if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
	            advance(1);
	          }

	          continue;
	        }
	      }

	      var _text = void 0,
	          rest = void 0,
	          _next = void 0;

	      if (textEnd >= 0) {
	        rest = html.slice(textEnd);

	        while (!endTag.test(rest) && !startTagOpen.test(rest) && !comment.test(rest) && !conditionalComment.test(rest)) {
	          // < in plain text, be forgiving and treat it as text
	          _next = rest.indexOf('<', 1);
	          if (_next < 0) break;
	          textEnd += _next;
	          rest = html.slice(textEnd);
	        }

	        _text = html.substring(0, textEnd);
	      }

	      if (textEnd < 0) {
	        _text = html;
	      }

	      if (_text) {
	        advance(_text.length);
	      }

	      if (options.chars && _text) {
	        options.chars(_text, index - _text.length, index);
	      }
	    } else {
	      (function () {
	        var endTagLength = 0;
	        var stackedTag = lastTag.toLowerCase();
	        var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
	        var rest = html.replace(reStackedTag, function (all, text, endTag) {
	          endTagLength = endTag.length;

	          if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
	            text = text.replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
	            .replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
	          }

	          if (shouldIgnoreFirstNewline(stackedTag, text)) {
	            text = text.slice(1);
	          }

	          if (options.chars) {
	            options.chars(text);
	          }

	          return '';
	        });
	        index += html.length - rest.length;
	        html = rest;
	        parseEndTag(stackedTag, index - endTagLength, index);
	      })();
	    }

	    if (html === last) {
	      options.chars && options.chars(html);

	      if (!stack.length && options.warn) {
	        options.warn("Mal-formatted tag at end of template: \"".concat(html, "\""), {
	          start: index + html.length
	        });
	      }

	      break;
	    }
	  } // Clean up any remaining tags


	  parseEndTag();

	  function advance(n) {
	    index += n;
	    html = html.substring(n);
	  }

	  function parseStartTag() {
	    var start = html.match(startTagOpen);

	    if (start) {
	      var match = {
	        tagName: start[1],
	        attrs: [],
	        start: index
	      };
	      advance(start[0].length);
	      var end, attr;

	      while (!(end = html.match(startTagClose)) && (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {
	        attr.start = index;
	        advance(attr[0].length);
	        attr.end = index;
	        match.attrs.push(attr);
	      }

	      if (end) {
	        match.unarySlash = end[1];
	        advance(end[0].length);
	        match.end = index;
	        return match;
	      }
	    }
	  }

	  function handleStartTag(match) {
	    var tagName = match.tagName;
	    var unarySlash = match.unarySlash;

	    if (expectHTML) {
	      if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
	        parseEndTag(lastTag);
	      }

	      if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
	        parseEndTag(tagName);
	      }
	    }

	    var unary = isUnaryTag$$1(tagName) || !!unarySlash;
	    var l = match.attrs.length;
	    var attrs = new Array(l);

	    for (var i = 0; i < l; i++) {
	      var args = match.attrs[i];
	      var value = args[3] || args[4] || args[5] || '';

	      var _shouldDecodeNewlines = tagName === 'a' && args[1] === 'href' ? options.shouldDecodeNewlinesForHref : options.shouldDecodeNewlines;

	      attrs[i] = {
	        name: args[1],
	        value: decodeAttr(value, _shouldDecodeNewlines)
	      };

	      if (options.outputSourceRange) {
	        attrs[i].start = args.start + args[0].match(/^\s*/).length;
	        attrs[i].end = args.end;
	      }
	    }

	    if (!unary) {
	      stack.push({
	        tag: tagName,
	        lowerCasedTag: tagName.toLowerCase(),
	        attrs: attrs,
	        start: match.start,
	        end: match.end
	      });
	      lastTag = tagName;
	    }

	    if (options.start) {
	      options.start(tagName, attrs, unary, match.start, match.end);
	    }
	  }

	  function parseEndTag(tagName, start, end) {
	    var pos, lowerCasedTagName;
	    if (start == null) start = index;
	    if (end == null) end = index; // Find the closest opened tag of the same type

	    if (tagName) {
	      lowerCasedTagName = tagName.toLowerCase();

	      for (pos = stack.length - 1; pos >= 0; pos--) {
	        if (stack[pos].lowerCasedTag === lowerCasedTagName) {
	          break;
	        }
	      }
	    } else {
	      // If no tag name is provided, clean shop
	      pos = 0;
	    }

	    if (pos >= 0) {
	      // Close all the open elements, up the stack
	      for (var i = stack.length - 1; i >= pos; i--) {
	        if (i > pos || !tagName && options.warn) {
	          options.warn("tag <".concat(stack[i].tag, "> has no matching end tag."), {
	            start: stack[i].start,
	            end: stack[i].end
	          });
	        }

	        if (options.end) {
	          options.end(stack[i].tag, start, end);
	        }
	      } // Remove the open elements from the stack


	      stack.length = pos;
	      lastTag = pos && stack[pos - 1].tag;
	    } else if (lowerCasedTagName === 'br') {
	      if (options.start) {
	        options.start(tagName, [], true, start, end);
	      }
	    } else if (lowerCasedTagName === 'p') {
	      if (options.start) {
	        options.start(tagName, [], false, start, end);
	      }

	      if (options.end) {
	        options.end(tagName, start, end);
	      }
	    }
	  }
	}
	/*  */


	var onRE = /^@|^v-on:/;
	var dirRE = /^v-|^@|^:|^#/;
	var forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
	var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
	var stripParensRE = /^\(|\)$/g;
	var dynamicArgRE = /^\[.*\]$/;
	var argRE = /:(.*)$/;
	var bindRE = /^:|^\.|^v-bind:/;
	var modifierRE = /\.[^.\]]+(?=[^\]]*$)/g;
	var slotRE = /^v-slot(:|$)|^#/;
	var lineBreakRE = /[\r\n]/;
	var whitespaceRE$1 = /[ \f\t\r\n]+/g;
	var invalidAttributeRE = /[\s"'<>\/=]/;
	var decodeHTMLCached = cached(he.decode);
	var emptySlotScopeToken = "_empty_"; // configurable state

	var warn$2;
	var delimiters;
	var transforms;
	var preTransforms;
	var postTransforms;
	var platformIsPreTag;
	var platformMustUseProp;
	var platformGetTagNamespace;
	var maybeComponent;

	function createASTElement(tag, attrs, parent) {
	  return {
	    type: 1,
	    tag: tag,
	    attrsList: attrs,
	    attrsMap: makeAttrsMap(attrs),
	    rawAttrsMap: {},
	    parent: parent,
	    children: []
	  };
	}
	/**
	 * Convert HTML string to AST.
	 */


	function parse(template, options) {
	  warn$2 = options.warn || baseWarn;
	  platformIsPreTag = options.isPreTag || no;
	  platformMustUseProp = options.mustUseProp || no;
	  platformGetTagNamespace = options.getTagNamespace || no;
	  var isReservedTag = options.isReservedTag || no;

	  maybeComponent = function maybeComponent(el) {
	    return !!(el.component || el.attrsMap[':is'] || el.attrsMap['v-bind:is'] || !(el.attrsMap.is ? isReservedTag(el.attrsMap.is) : isReservedTag(el.tag)));
	  };

	  transforms = pluckModuleFunction(options.modules, 'transformNode');
	  preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
	  postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
	  delimiters = options.delimiters;
	  var stack = [];
	  var preserveWhitespace = options.preserveWhitespace !== false;
	  var whitespaceOption = options.whitespace;
	  var root;
	  var currentParent;
	  var inVPre = false;
	  var inPre = false;
	  var warned = false;

	  function warnOnce(msg, range) {
	    if (!warned) {
	      warned = true;
	      warn$2(msg, range);
	    }
	  }

	  function closeElement(element) {
	    trimEndingWhitespace(element);

	    if (!inVPre && !element.processed) {
	      element = processElement(element, options);
	    } // tree management


	    if (!stack.length && element !== root) {
	      // allow root elements with v-if, v-else-if and v-else
	      if (root["if"] && (element.elseif || element["else"])) {
	        {
	          checkRootConstraints(element);
	        }
	        addIfCondition(root, {
	          exp: element.elseif,
	          block: element
	        });
	      } else {
	        warnOnce("Component template should contain exactly one root element. " + "If you are using v-if on multiple elements, " + "use v-else-if to chain them instead.", {
	          start: element.start
	        });
	      }
	    }

	    if (currentParent && !element.forbidden) {
	      if (element.elseif || element["else"]) {
	        processIfConditions(element, currentParent);
	      } else {
	        if (element.slotScope) {
	          // scoped slot
	          // keep it in the children list so that v-else(-if) conditions can
	          // find it as the prev node.
	          var name = element.slotTarget || '"default"';
	          (currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
	        }

	        currentParent.children.push(element);
	        element.parent = currentParent;
	      }
	    } // final children cleanup
	    // filter out scoped slots


	    element.children = element.children.filter(function (c) {
	      return !c.slotScope;
	    }); // remove trailing whitespace node again

	    trimEndingWhitespace(element); // check pre state

	    if (element.pre) {
	      inVPre = false;
	    }

	    if (platformIsPreTag(element.tag)) {
	      inPre = false;
	    } // apply post-transforms


	    for (var i = 0; i < postTransforms.length; i++) {
	      postTransforms[i](element, options);
	    }
	  }

	  function trimEndingWhitespace(el) {
	    // remove trailing whitespace node
	    if (!inPre) {
	      var lastNode;

	      while ((lastNode = el.children[el.children.length - 1]) && lastNode.type === 3 && lastNode.text === ' ') {
	        el.children.pop();
	      }
	    }
	  }

	  function checkRootConstraints(el) {
	    if (el.tag === 'slot' || el.tag === 'template') {
	      warnOnce("Cannot use <".concat(el.tag, "> as component root element because it may ") + 'contain multiple nodes.', {
	        start: el.start
	      });
	    }

	    if (el.attrsMap.hasOwnProperty('v-for')) {
	      warnOnce('Cannot use v-for on stateful component root element because ' + 'it renders multiple elements.', el.rawAttrsMap['v-for']);
	    }
	  }

	  parseHTML(template, {
	    warn: warn$2,
	    expectHTML: options.expectHTML,
	    isUnaryTag: options.isUnaryTag,
	    canBeLeftOpenTag: options.canBeLeftOpenTag,
	    shouldDecodeNewlines: options.shouldDecodeNewlines,
	    shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
	    shouldKeepComment: options.comments,
	    outputSourceRange: options.outputSourceRange,
	    start: function start(tag, attrs, unary, _start, end) {
	      // check namespace.
	      // inherit parent ns if there is one
	      var ns = currentParent && currentParent.ns || platformGetTagNamespace(tag); // handle IE svg bug

	      /* istanbul ignore if */

	      if (isIE && ns === 'svg') {
	        attrs = guardIESVGBug(attrs);
	      }

	      var element = createASTElement(tag, attrs, currentParent);

	      if (ns) {
	        element.ns = ns;
	      }

	      {
	        if (options.outputSourceRange) {
	          element.start = _start;
	          element.end = end;
	          element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) {
	            cumulated[attr.name] = attr;
	            return cumulated;
	          }, {});
	        }

	        attrs.forEach(function (attr) {
	          if (invalidAttributeRE.test(attr.name)) {
	            warn$2("Invalid dynamic argument expression: attribute names cannot contain " + "spaces, quotes, <, >, / or =.", {
	              start: attr.start + attr.name.indexOf("["),
	              end: attr.start + attr.name.length
	            });
	          }
	        });
	      }

	      if (isForbiddenTag(element) && !isServerRendering()) {
	        element.forbidden = true;
	        warn$2('Templates should only be responsible for mapping the state to the ' + 'UI. Avoid placing tags with side-effects in your templates, such as ' + "<".concat(tag, ">") + ', as they will not be parsed.', {
	          start: element.start
	        });
	      } // apply pre-transforms


	      for (var i = 0; i < preTransforms.length; i++) {
	        element = preTransforms[i](element, options) || element;
	      }

	      if (!inVPre) {
	        processPre(element);

	        if (element.pre) {
	          inVPre = true;
	        }
	      }

	      if (platformIsPreTag(element.tag)) {
	        inPre = true;
	      }

	      if (inVPre) {
	        processRawAttrs(element);
	      } else if (!element.processed) {
	        // structural directives
	        processFor(element);
	        processIf(element);
	        processOnce(element);
	      }

	      if (!root) {
	        root = element;
	        {
	          checkRootConstraints(root);
	        }
	      }

	      if (!unary) {
	        currentParent = element;
	        stack.push(element);
	      } else {
	        closeElement(element);
	      }
	    },
	    end: function end(tag, start, _end) {
	      var element = stack[stack.length - 1]; // pop stack

	      stack.length -= 1;
	      currentParent = stack[stack.length - 1];

	      if (options.outputSourceRange) {
	        element.end = _end;
	      }

	      closeElement(element);
	    },
	    chars: function chars(text, start, end) {
	      if (!currentParent) {
	        {
	          if (text === template) {
	            warnOnce('Component template requires a root element, rather than just text.', {
	              start: start
	            });
	          } else if (text = text.trim()) {
	            warnOnce("text \"".concat(text, "\" outside root element will be ignored."), {
	              start: start
	            });
	          }
	        }
	        return;
	      } // IE textarea placeholder bug

	      /* istanbul ignore if */


	      if (isIE && currentParent.tag === 'textarea' && currentParent.attrsMap.placeholder === text) {
	        return;
	      }

	      var children = currentParent.children;

	      if (inPre || text.trim()) {
	        text = isTextTag(currentParent) ? text : decodeHTMLCached(text);
	      } else if (!children.length) {
	        // remove the whitespace-only node right after an opening tag
	        text = '';
	      } else if (whitespaceOption) {
	        if (whitespaceOption === 'condense') {
	          // in condense mode, remove the whitespace node if it contains
	          // line break, otherwise condense to a single space
	          text = lineBreakRE.test(text) ? '' : ' ';
	        } else {
	          text = ' ';
	        }
	      } else {
	        text = preserveWhitespace ? ' ' : '';
	      }

	      if (text) {
	        if (!inPre && whitespaceOption === 'condense') {
	          // condense consecutive whitespaces into single space
	          text = text.replace(whitespaceRE$1, ' ');
	        }

	        var res;
	        var child;

	        if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
	          child = {
	            type: 2,
	            expression: res.expression,
	            tokens: res.tokens,
	            text: text
	          };
	        } else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
	          child = {
	            type: 3,
	            text: text
	          };
	        }

	        if (child) {
	          if (options.outputSourceRange) {
	            child.start = start;
	            child.end = end;
	          }

	          children.push(child);
	        }
	      }
	    },
	    comment: function comment(text, start, end) {
	      // adding anything as a sibling to the root node is forbidden
	      // comments should still be allowed, but ignored
	      if (currentParent) {
	        var child = {
	          type: 3,
	          text: text,
	          isComment: true
	        };

	        if (options.outputSourceRange) {
	          child.start = start;
	          child.end = end;
	        }

	        currentParent.children.push(child);
	      }
	    }
	  });
	  return root;
	}

	function processPre(el) {
	  if (getAndRemoveAttr(el, 'v-pre') != null) {
	    el.pre = true;
	  }
	}

	function processRawAttrs(el) {
	  var list = el.attrsList;
	  var len = list.length;

	  if (len) {
	    var _attrs = el.attrs = new Array(len);

	    for (var i = 0; i < len; i++) {
	      _attrs[i] = {
	        name: list[i].name,
	        value: JSON.stringify(list[i].value)
	      };

	      if (list[i].start != null) {
	        _attrs[i].start = list[i].start;
	        _attrs[i].end = list[i].end;
	      }
	    }
	  } else if (!el.pre) {
	    // non root node in pre blocks with no attributes
	    el.plain = true;
	  }
	}

	function processElement(element, options) {
	  processKey(element); // determine whether this is a plain element after
	  // removing structural attributes

	  element.plain = !element.key && !element.scopedSlots && !element.attrsList.length;
	  processRef(element);
	  processSlotContent(element);
	  processSlotOutlet(element);
	  processComponent(element);

	  for (var i = 0; i < transforms.length; i++) {
	    element = transforms[i](element, options) || element;
	  }

	  processAttrs(element);
	  return element;
	}

	function processKey(el) {
	  var exp = getBindingAttr(el, 'key');

	  if (exp) {
	    {
	      if (el.tag === 'template') {
	        warn$2("<template> cannot be keyed. Place the key on real elements instead.", getRawBindingAttr(el, 'key'));
	      }

	      if (el["for"]) {
	        var iterator = el.iterator2 || el.iterator1;
	        var parent = el.parent;

	        if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {
	          warn$2("Do not use v-for index as key on <transition-group> children, " + "this is the same as not using keys.", getRawBindingAttr(el, 'key'), true
	          /* tip */
	          );
	        }
	      }
	    }
	    el.key = exp;
	  }
	}

	function processRef(el) {
	  var ref = getBindingAttr(el, 'ref');

	  if (ref) {
	    el.ref = ref;
	    el.refInFor = checkInFor(el);
	  }
	}

	function processFor(el) {
	  var exp;

	  if (exp = getAndRemoveAttr(el, 'v-for')) {
	    var res = parseFor(exp);

	    if (res) {
	      extend(el, res);
	    } else {
	      warn$2("Invalid v-for expression: ".concat(exp), el.rawAttrsMap['v-for']);
	    }
	  }
	}

	function parseFor(exp) {
	  var inMatch = exp.match(forAliasRE);
	  if (!inMatch) return;
	  var res = {};
	  res["for"] = inMatch[2].trim();
	  var alias = inMatch[1].trim().replace(stripParensRE, '');
	  var iteratorMatch = alias.match(forIteratorRE);

	  if (iteratorMatch) {
	    res.alias = alias.replace(forIteratorRE, '').trim();
	    res.iterator1 = iteratorMatch[1].trim();

	    if (iteratorMatch[2]) {
	      res.iterator2 = iteratorMatch[2].trim();
	    }
	  } else {
	    res.alias = alias;
	  }

	  return res;
	}

	function processIf(el) {
	  var exp = getAndRemoveAttr(el, 'v-if');

	  if (exp) {
	    el["if"] = exp;
	    addIfCondition(el, {
	      exp: exp,
	      block: el
	    });
	  } else {
	    if (getAndRemoveAttr(el, 'v-else') != null) {
	      el["else"] = true;
	    }

	    var elseif = getAndRemoveAttr(el, 'v-else-if');

	    if (elseif) {
	      el.elseif = elseif;
	    }
	  }
	}

	function processIfConditions(el, parent) {
	  var prev = findPrevElement(parent.children);

	  if (prev && prev["if"]) {
	    addIfCondition(prev, {
	      exp: el.elseif,
	      block: el
	    });
	  } else {
	    warn$2("v-".concat(el.elseif ? 'else-if="' + el.elseif + '"' : 'else', " ") + "used on element <".concat(el.tag, "> without corresponding v-if."), el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']);
	  }
	}

	function findPrevElement(children) {
	  var i = children.length;

	  while (i--) {
	    if (children[i].type === 1) {
	      return children[i];
	    } else {
	      if (children[i].text !== ' ') {
	        warn$2("text \"".concat(children[i].text.trim(), "\" between v-if and v-else(-if) ") + "will be ignored.", children[i]);
	      }

	      children.pop();
	    }
	  }
	}

	function addIfCondition(el, condition) {
	  if (!el.ifConditions) {
	    el.ifConditions = [];
	  }

	  el.ifConditions.push(condition);
	}

	function processOnce(el) {
	  var once$$1 = getAndRemoveAttr(el, 'v-once');

	  if (once$$1 != null) {
	    el.once = true;
	  }
	} // handle content being passed to a component as slot,
	// e.g. <template slot="xxx">, <div slot-scope="xxx">


	function processSlotContent(el) {
	  var slotScope;

	  if (el.tag === 'template') {
	    slotScope = getAndRemoveAttr(el, 'scope');
	    /* istanbul ignore if */

	    if (slotScope) {
	      warn$2("the \"scope\" attribute for scoped slots have been deprecated and " + "replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " + "can also be used on plain elements in addition to <template> to " + "denote scoped slots.", el.rawAttrsMap['scope'], true);
	    }

	    el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
	  } else if (slotScope = getAndRemoveAttr(el, 'slot-scope')) {
	    /* istanbul ignore if */
	    if (el.attrsMap['v-for']) {
	      warn$2("Ambiguous combined usage of slot-scope and v-for on <".concat(el.tag, "> ") + "(v-for takes higher priority). Use a wrapper <template> for the " + "scoped slot to make it clearer.", el.rawAttrsMap['slot-scope'], true);
	    }

	    el.slotScope = slotScope;
	  } // slot="xxx"


	  var slotTarget = getBindingAttr(el, 'slot');

	  if (slotTarget) {
	    el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
	    el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']); // preserve slot as an attribute for native shadow DOM compat
	    // only for non-scoped slots.

	    if (el.tag !== 'template' && !el.slotScope) {
	      addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'));
	    }
	  } // 2.6 v-slot syntax


	  {
	    if (el.tag === 'template') {
	      // v-slot on <template>
	      var slotBinding = getAndRemoveAttrByRegex(el, slotRE);

	      if (slotBinding) {
	        {
	          if (el.slotTarget || el.slotScope) {
	            warn$2("Unexpected mixed usage of different slot syntaxes.", el);
	          }

	          if (el.parent && !maybeComponent(el.parent)) {
	            warn$2("<template v-slot> can only appear at the root level inside " + "the receiving component", el);
	          }
	        }

	        var _getSlotName = getSlotName(slotBinding),
	            name = _getSlotName.name,
	            dynamic = _getSlotName.dynamic;

	        el.slotTarget = name;
	        el.slotTargetDynamic = dynamic;
	        el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf
	      }
	    } else {
	      // v-slot on component, denotes default slot
	      var _slotBinding = getAndRemoveAttrByRegex(el, slotRE);

	      if (_slotBinding) {
	        {
	          if (!maybeComponent(el)) {
	            warn$2("v-slot can only be used on components or <template>.", _slotBinding);
	          }

	          if (el.slotScope || el.slotTarget) {
	            warn$2("Unexpected mixed usage of different slot syntaxes.", el);
	          }

	          if (el.scopedSlots) {
	            warn$2("To avoid scope ambiguity, the default slot should also use " + "<template> syntax when there are other named slots.", _slotBinding);
	          }
	        } // add the component's children to its default slot

	        var slots = el.scopedSlots || (el.scopedSlots = {});

	        var _getSlotName2 = getSlotName(_slotBinding),
	            _name2 = _getSlotName2.name,
	            _dynamic = _getSlotName2.dynamic;

	        var slotContainer = slots[_name2] = createASTElement('template', [], el);
	        slotContainer.slotTarget = _name2;
	        slotContainer.slotTargetDynamic = _dynamic;
	        slotContainer.children = el.children.filter(function (c) {
	          if (!c.slotScope) {
	            c.parent = slotContainer;
	            return true;
	          }
	        });
	        slotContainer.slotScope = _slotBinding.value || emptySlotScopeToken; // remove children as they are returned from scopedSlots now

	        el.children = []; // mark el non-plain so data gets generated

	        el.plain = false;
	      }
	    }
	  }
	}

	function getSlotName(binding) {
	  var name = binding.name.replace(slotRE, '');

	  if (!name) {
	    if (binding.name[0] !== '#') {
	      name = 'default';
	    } else {
	      warn$2("v-slot shorthand syntax requires a slot name.", binding);
	    }
	  }

	  return dynamicArgRE.test(name) // dynamic [name]
	  ? {
	    name: name.slice(1, -1),
	    dynamic: true
	  } // static name
	  : {
	    name: "\"".concat(name, "\""),
	    dynamic: false
	  };
	} // handle <slot/> outlets


	function processSlotOutlet(el) {
	  if (el.tag === 'slot') {
	    el.slotName = getBindingAttr(el, 'name');

	    if (el.key) {
	      warn$2("`key` does not work on <slot> because slots are abstract outlets " + "and can possibly expand into multiple elements. " + "Use the key on a wrapping element instead.", getRawBindingAttr(el, 'key'));
	    }
	  }
	}

	function processComponent(el) {
	  var binding;

	  if (binding = getBindingAttr(el, 'is')) {
	    el.component = binding;
	  }

	  if (getAndRemoveAttr(el, 'inline-template') != null) {
	    el.inlineTemplate = true;
	  }
	}

	function processAttrs(el) {
	  var list = el.attrsList;
	  var i, l, name, rawName, value, modifiers, syncGen, isDynamic;

	  for (i = 0, l = list.length; i < l; i++) {
	    name = rawName = list[i].name;
	    value = list[i].value;

	    if (dirRE.test(name)) {
	      // mark element as dynamic
	      el.hasBindings = true; // modifiers

	      modifiers = parseModifiers(name.replace(dirRE, '')); // support .foo shorthand syntax for the .prop modifier

	      if (modifiers) {
	        name = name.replace(modifierRE, '');
	      }

	      if (bindRE.test(name)) {
	        // v-bind
	        name = name.replace(bindRE, '');
	        value = parseFilters(value);
	        isDynamic = dynamicArgRE.test(name);

	        if (isDynamic) {
	          name = name.slice(1, -1);
	        }

	        if (value.trim().length === 0) {
	          warn$2("The value for a v-bind expression cannot be empty. Found in \"v-bind:".concat(name, "\""));
	        }

	        if (modifiers) {
	          if (modifiers.prop && !isDynamic) {
	            name = camelize(name);
	            if (name === 'innerHtml') name = 'innerHTML';
	          }

	          if (modifiers.camel && !isDynamic) {
	            name = camelize(name);
	          }

	          if (modifiers.sync) {
	            syncGen = genAssignmentCode(value, "$event");

	            if (!isDynamic) {
	              addHandler(el, "update:".concat(camelize(name)), syncGen, null, false, warn$2, list[i]);

	              if (hyphenate(name) !== camelize(name)) {
	                addHandler(el, "update:".concat(hyphenate(name)), syncGen, null, false, warn$2, list[i]);
	              }
	            } else {
	              // handler w/ dynamic event name
	              addHandler(el, "\"update:\"+(".concat(name, ")"), syncGen, null, false, warn$2, list[i], true // dynamic
	              );
	            }
	          }
	        }

	        if (modifiers && modifiers.prop || !el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)) {
	          addProp(el, name, value, list[i], isDynamic);
	        } else {
	          addAttr(el, name, value, list[i], isDynamic);
	        }
	      } else if (onRE.test(name)) {
	        // v-on
	        name = name.replace(onRE, '');
	        isDynamic = dynamicArgRE.test(name);

	        if (isDynamic) {
	          name = name.slice(1, -1);
	        }

	        addHandler(el, name, value, modifiers, false, warn$2, list[i], isDynamic);
	      } else {
	        // normal directives
	        name = name.replace(dirRE, ''); // parse arg

	        var argMatch = name.match(argRE);
	        var arg = argMatch && argMatch[1];
	        isDynamic = false;

	        if (arg) {
	          name = name.slice(0, -(arg.length + 1));

	          if (dynamicArgRE.test(arg)) {
	            arg = arg.slice(1, -1);
	            isDynamic = true;
	          }
	        }

	        addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]);

	        if (name === 'model') {
	          checkForAliasModel(el, value);
	        }
	      }
	    } else {
	      // literal attribute
	      {
	        var res = parseText(value, delimiters);

	        if (res) {
	          warn$2("".concat(name, "=\"").concat(value, "\": ") + 'Interpolation inside attributes has been removed. ' + 'Use v-bind or the colon shorthand instead. For example, ' + 'instead of <div id="{{ val }}">, use <div :id="val">.', list[i]);
	        }
	      }
	      addAttr(el, name, JSON.stringify(value), list[i]); // #6887 firefox doesn't update muted state if set via attribute
	      // even immediately after element creation

	      if (!el.component && name === 'muted' && platformMustUseProp(el.tag, el.attrsMap.type, name)) {
	        addProp(el, name, 'true', list[i]);
	      }
	    }
	  }
	}

	function checkInFor(el) {
	  var parent = el;

	  while (parent) {
	    if (parent["for"] !== undefined) {
	      return true;
	    }

	    parent = parent.parent;
	  }

	  return false;
	}

	function parseModifiers(name) {
	  var match = name.match(modifierRE);

	  if (match) {
	    var ret = {};
	    match.forEach(function (m) {
	      ret[m.slice(1)] = true;
	    });
	    return ret;
	  }
	}

	function makeAttrsMap(attrs) {
	  var map = {};

	  for (var i = 0, l = attrs.length; i < l; i++) {
	    if (map[attrs[i].name] && !isIE && !isEdge) {
	      warn$2('duplicate attribute: ' + attrs[i].name, attrs[i]);
	    }

	    map[attrs[i].name] = attrs[i].value;
	  }

	  return map;
	} // for script (e.g. type="x/template") or style, do not decode content


	function isTextTag(el) {
	  return el.tag === 'script' || el.tag === 'style';
	}

	function isForbiddenTag(el) {
	  return el.tag === 'style' || el.tag === 'script' && (!el.attrsMap.type || el.attrsMap.type === 'text/javascript');
	}

	var ieNSBug = /^xmlns:NS\d+/;
	var ieNSPrefix = /^NS\d+:/;
	/* istanbul ignore next */

	function guardIESVGBug(attrs) {
	  var res = [];

	  for (var i = 0; i < attrs.length; i++) {
	    var attr = attrs[i];

	    if (!ieNSBug.test(attr.name)) {
	      attr.name = attr.name.replace(ieNSPrefix, '');
	      res.push(attr);
	    }
	  }

	  return res;
	}

	function checkForAliasModel(el, value) {
	  var _el = el;

	  while (_el) {
	    if (_el["for"] && _el.alias === value) {
	      warn$2("<".concat(el.tag, " v-model=\"").concat(value, "\">: ") + "You are binding v-model directly to a v-for iteration alias. " + "This will not be able to modify the v-for source array because " + "writing to the alias is like modifying a function local variable. " + "Consider using an array of objects and use v-model on an object property instead.", el.rawAttrsMap['v-model']);
	    }

	    _el = _el.parent;
	  }
	}
	/*  */


	function preTransformNode(el, options) {
	  if (el.tag === 'input') {
	    var map = el.attrsMap;

	    if (!map['v-model']) {
	      return;
	    }

	    var typeBinding;

	    if (map[':type'] || map['v-bind:type']) {
	      typeBinding = getBindingAttr(el, 'type');
	    }

	    if (!map.type && !typeBinding && map['v-bind']) {
	      typeBinding = "(".concat(map['v-bind'], ").type");
	    }

	    if (typeBinding) {
	      var ifCondition = getAndRemoveAttr(el, 'v-if', true);
	      var ifConditionExtra = ifCondition ? "&&(".concat(ifCondition, ")") : "";
	      var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
	      var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true); // 1. checkbox

	      var branch0 = cloneASTElement(el); // process for on the main node

	      processFor(branch0);
	      addRawAttr(branch0, 'type', 'checkbox');
	      processElement(branch0, options);
	      branch0.processed = true; // prevent it from double-processed

	      branch0["if"] = "(".concat(typeBinding, ")==='checkbox'") + ifConditionExtra;
	      addIfCondition(branch0, {
	        exp: branch0["if"],
	        block: branch0
	      }); // 2. add radio else-if condition

	      var branch1 = cloneASTElement(el);
	      getAndRemoveAttr(branch1, 'v-for', true);
	      addRawAttr(branch1, 'type', 'radio');
	      processElement(branch1, options);
	      addIfCondition(branch0, {
	        exp: "(".concat(typeBinding, ")==='radio'") + ifConditionExtra,
	        block: branch1
	      }); // 3. other

	      var branch2 = cloneASTElement(el);
	      getAndRemoveAttr(branch2, 'v-for', true);
	      addRawAttr(branch2, ':type', typeBinding);
	      processElement(branch2, options);
	      addIfCondition(branch0, {
	        exp: ifCondition,
	        block: branch2
	      });

	      if (hasElse) {
	        branch0["else"] = true;
	      } else if (elseIfCondition) {
	        branch0.elseif = elseIfCondition;
	      }

	      return branch0;
	    }
	  }
	}

	function cloneASTElement(el) {
	  return createASTElement(el.tag, el.attrsList.slice(), el.parent);
	}

	var model$1 = {
	  preTransformNode: preTransformNode
	};
	var modules$1 = [klass$1, style$1, model$1];
	/*  */

	function text(el, dir) {
	  if (dir.value) {
	    addProp(el, 'textContent', "_s(".concat(dir.value, ")"), dir);
	  }
	}
	/*  */


	function html(el, dir) {
	  if (dir.value) {
	    addProp(el, 'innerHTML', "_s(".concat(dir.value, ")"), dir);
	  }
	}

	var directives$1 = {
	  model: model,
	  text: text,
	  html: html
	};
	/*  */

	var baseOptions = {
	  expectHTML: true,
	  modules: modules$1,
	  directives: directives$1,
	  isPreTag: isPreTag,
	  isUnaryTag: isUnaryTag,
	  mustUseProp: mustUseProp,
	  canBeLeftOpenTag: canBeLeftOpenTag,
	  isReservedTag: isReservedTag,
	  getTagNamespace: getTagNamespace,
	  staticKeys: genStaticKeys(modules$1)
	};
	/*  */

	var isStaticKey;
	var isPlatformReservedTag;
	var genStaticKeysCached = cached(genStaticKeys$1);
	/**
	 * Goal of the optimizer: walk the generated template AST tree
	 * and detect sub-trees that are purely static, i.e. parts of
	 * the DOM that never needs to change.
	 *
	 * Once we detect these sub-trees, we can:
	 *
	 * 1. Hoist them into constants, so that we no longer need to
	 *    create fresh nodes for them on each re-render;
	 * 2. Completely skip them in the patching process.
	 */

	function optimize(root, options) {
	  if (!root) return;
	  isStaticKey = genStaticKeysCached(options.staticKeys || '');
	  isPlatformReservedTag = options.isReservedTag || no; // first pass: mark all non-static nodes.

	  markStatic$1(root); // second pass: mark static roots.

	  markStaticRoots(root, false);
	}

	function genStaticKeys$1(keys) {
	  return makeMap('type,tag,attrsList,attrsMap,plain,parent,children,attrs,start,end,rawAttrsMap' + (keys ? ',' + keys : ''));
	}

	function markStatic$1(node) {
	  node["static"] = isStatic(node);

	  if (node.type === 1) {
	    // do not make component slot content static. this avoids
	    // 1. components not able to mutate slot nodes
	    // 2. static slot content fails for hot-reloading
	    if (!isPlatformReservedTag(node.tag) && node.tag !== 'slot' && node.attrsMap['inline-template'] == null) {
	      return;
	    }

	    for (var i = 0, l = node.children.length; i < l; i++) {
	      var child = node.children[i];
	      markStatic$1(child);

	      if (!child["static"]) {
	        node["static"] = false;
	      }
	    }

	    if (node.ifConditions) {
	      for (var _i13 = 1, _l = node.ifConditions.length; _i13 < _l; _i13++) {
	        var block = node.ifConditions[_i13].block;
	        markStatic$1(block);

	        if (!block["static"]) {
	          node["static"] = false;
	        }
	      }
	    }
	  }
	}

	function markStaticRoots(node, isInFor) {
	  if (node.type === 1) {
	    if (node["static"] || node.once) {
	      node.staticInFor = isInFor;
	    } // For a node to qualify as a static root, it should have children that
	    // are not just static text. Otherwise the cost of hoisting out will
	    // outweigh the benefits and it's better off to just always render it fresh.


	    if (node["static"] && node.children.length && !(node.children.length === 1 && node.children[0].type === 3)) {
	      node.staticRoot = true;
	      return;
	    } else {
	      node.staticRoot = false;
	    }

	    if (node.children) {
	      for (var i = 0, l = node.children.length; i < l; i++) {
	        markStaticRoots(node.children[i], isInFor || !!node["for"]);
	      }
	    }

	    if (node.ifConditions) {
	      for (var _i14 = 1, _l2 = node.ifConditions.length; _i14 < _l2; _i14++) {
	        markStaticRoots(node.ifConditions[_i14].block, isInFor);
	      }
	    }
	  }
	}

	function isStatic(node) {
	  if (node.type === 2) {
	    // expression
	    return false;
	  }

	  if (node.type === 3) {
	    // text
	    return true;
	  }

	  return !!(node.pre || !node.hasBindings && // no dynamic bindings
	  !node["if"] && !node["for"] && // not v-if or v-for or v-else
	  !isBuiltInTag(node.tag) && // not a built-in
	  isPlatformReservedTag(node.tag) && // not a component
	  !isDirectChildOfTemplateFor(node) && Object.keys(node).every(isStaticKey));
	}

	function isDirectChildOfTemplateFor(node) {
	  while (node.parent) {
	    node = node.parent;

	    if (node.tag !== 'template') {
	      return false;
	    }

	    if (node["for"]) {
	      return true;
	    }
	  }

	  return false;
	}
	/*  */


	var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function(?:\s+[\w$]+)?\s*\(/;
	var fnInvokeRE = /\([^)]*?\);*$/;
	var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/; // KeyboardEvent.keyCode aliases

	var keyCodes = {
	  esc: 27,
	  tab: 9,
	  enter: 13,
	  space: 32,
	  up: 38,
	  left: 37,
	  right: 39,
	  down: 40,
	  'delete': [8, 46]
	}; // KeyboardEvent.key aliases

	var keyNames = {
	  // #7880: IE11 and Edge use `Esc` for Escape key name.
	  esc: ['Esc', 'Escape'],
	  tab: 'Tab',
	  enter: 'Enter',
	  // #9112: IE11 uses `Spacebar` for Space key name.
	  space: [' ', 'Spacebar'],
	  // #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
	  up: ['Up', 'ArrowUp'],
	  left: ['Left', 'ArrowLeft'],
	  right: ['Right', 'ArrowRight'],
	  down: ['Down', 'ArrowDown'],
	  // #9112: IE11 uses `Del` for Delete key name.
	  'delete': ['Backspace', 'Delete', 'Del']
	}; // #4868: modifiers that prevent the execution of the listener
	// need to explicitly return null so that we can determine whether to remove
	// the listener for .once

	var genGuard = function genGuard(condition) {
	  return "if(".concat(condition, ")return null;");
	};

	var modifierCode = {
	  stop: '$event.stopPropagation();',
	  prevent: '$event.preventDefault();',
	  self: genGuard("$event.target !== $event.currentTarget"),
	  ctrl: genGuard("!$event.ctrlKey"),
	  shift: genGuard("!$event.shiftKey"),
	  alt: genGuard("!$event.altKey"),
	  meta: genGuard("!$event.metaKey"),
	  left: genGuard("'button' in $event && $event.button !== 0"),
	  middle: genGuard("'button' in $event && $event.button !== 1"),
	  right: genGuard("'button' in $event && $event.button !== 2")
	};

	function genHandlers(events, isNative) {
	  var prefix = isNative ? 'nativeOn:' : 'on:';
	  var staticHandlers = "";
	  var dynamicHandlers = "";

	  for (var name in events) {
	    var handlerCode = genHandler(events[name]);

	    if (events[name] && events[name].dynamic) {
	      dynamicHandlers += "".concat(name, ",").concat(handlerCode, ",");
	    } else {
	      staticHandlers += "\"".concat(name, "\":").concat(handlerCode, ",");
	    }
	  }

	  staticHandlers = "{".concat(staticHandlers.slice(0, -1), "}");

	  if (dynamicHandlers) {
	    return prefix + "_d(".concat(staticHandlers, ",[").concat(dynamicHandlers.slice(0, -1), "])");
	  } else {
	    return prefix + staticHandlers;
	  }
	}

	function genHandler(handler) {
	  if (!handler) {
	    return 'function(){}';
	  }

	  if (Array.isArray(handler)) {
	    return "[".concat(handler.map(function (handler) {
	      return genHandler(handler);
	    }).join(','), "]");
	  }

	  var isMethodPath = simplePathRE.test(handler.value);
	  var isFunctionExpression = fnExpRE.test(handler.value);
	  var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, ''));

	  if (!handler.modifiers) {
	    if (isMethodPath || isFunctionExpression) {
	      return handler.value;
	    }

	    return "function($event){".concat(isFunctionInvocation ? "return ".concat(handler.value) : handler.value, "}"); // inline statement
	  } else {
	    var code = '';
	    var genModifierCode = '';
	    var keys = [];

	    for (var key in handler.modifiers) {
	      if (modifierCode[key]) {
	        genModifierCode += modifierCode[key]; // left/right

	        if (keyCodes[key]) {
	          keys.push(key);
	        }
	      } else if (key === 'exact') {
	        (function () {
	          var modifiers = handler.modifiers;
	          genModifierCode += genGuard(['ctrl', 'shift', 'alt', 'meta'].filter(function (keyModifier) {
	            return !modifiers[keyModifier];
	          }).map(function (keyModifier) {
	            return "$event.".concat(keyModifier, "Key");
	          }).join('||'));
	        })();
	      } else {
	        keys.push(key);
	      }
	    }

	    if (keys.length) {
	      code += genKeyFilter(keys);
	    } // Make sure modifiers like prevent and stop get executed after key filtering


	    if (genModifierCode) {
	      code += genModifierCode;
	    }

	    var handlerCode = isMethodPath ? "return ".concat(handler.value, ".apply(null, arguments)") : isFunctionExpression ? "return (".concat(handler.value, ").apply(null, arguments)") : isFunctionInvocation ? "return ".concat(handler.value) : handler.value;
	    return "function($event){".concat(code).concat(handlerCode, "}");
	  }
	}

	function genKeyFilter(keys) {
	  return (// make sure the key filters only apply to KeyboardEvents
	    // #9441: can't use 'keyCode' in $event because Chrome autofill fires fake
	    // key events that do not have keyCode property...
	    "if(!$event.type.indexOf('key')&&" + "".concat(keys.map(genFilterCode).join('&&'), ")return null;")
	  );
	}

	function genFilterCode(key) {
	  var keyVal = parseInt(key, 10);

	  if (keyVal) {
	    return "$event.keyCode!==".concat(keyVal);
	  }

	  var keyCode = keyCodes[key];
	  var keyName = keyNames[key];
	  return "_k($event.keyCode," + "".concat(JSON.stringify(key), ",") + "".concat(JSON.stringify(keyCode), ",") + "$event.key," + "".concat(JSON.stringify(keyName)) + ")";
	}
	/*  */


	function on(el, dir) {
	  if (dir.modifiers) {
	    warn("v-on without argument does not support modifiers.");
	  }

	  el.wrapListeners = function (code) {
	    return "_g(".concat(code, ",").concat(dir.value, ")");
	  };
	}
	/*  */


	function bind$1(el, dir) {
	  el.wrapData = function (code) {
	    return "_b(".concat(code, ",'").concat(el.tag, "',").concat(dir.value, ",").concat(dir.modifiers && dir.modifiers.prop ? 'true' : 'false').concat(dir.modifiers && dir.modifiers.sync ? ',true' : '', ")");
	  };
	}
	/*  */


	var baseDirectives = {
	  on: on,
	  bind: bind$1,
	  cloak: noop
	};
	/*  */

	var CodegenState = function CodegenState(options) {
	  babelHelpers.classCallCheck(this, CodegenState);
	  this.options = options;
	  this.warn = options.warn || baseWarn;
	  this.transforms = pluckModuleFunction(options.modules, 'transformCode');
	  this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
	  this.directives = extend(extend({}, baseDirectives), options.directives);
	  var isReservedTag = options.isReservedTag || no;

	  this.maybeComponent = function (el) {
	    return !!el.component || !isReservedTag(el.tag);
	  };

	  this.onceId = 0;
	  this.staticRenderFns = [];
	  this.pre = false;
	};

	function generate(ast, options) {
	  var state = new CodegenState(options); // fix #11483, Root level <script> tags should not be rendered.

	  var code = ast ? ast.tag === 'script' ? 'null' : genElement(ast, state) : '_c("div")';
	  return {
	    render: "with(this){return ".concat(code, "}"),
	    staticRenderFns: state.staticRenderFns
	  };
	}

	function genElement(el, state) {
	  if (el.parent) {
	    el.pre = el.pre || el.parent.pre;
	  }

	  if (el.staticRoot && !el.staticProcessed) {
	    return genStatic(el, state);
	  } else if (el.once && !el.onceProcessed) {
	    return genOnce(el, state);
	  } else if (el["for"] && !el.forProcessed) {
	    return genFor(el, state);
	  } else if (el["if"] && !el.ifProcessed) {
	    return genIf(el, state);
	  } else if (el.tag === 'template' && !el.slotTarget && !state.pre) {
	    return genChildren(el, state) || 'void 0';
	  } else if (el.tag === 'slot') {
	    return genSlot(el, state);
	  } else {
	    // component or element
	    var code;

	    if (el.component) {
	      code = genComponent(el.component, el, state);
	    } else {
	      var data;

	      if (!el.plain || el.pre && state.maybeComponent(el)) {
	        data = genData$2(el, state);
	      }

	      var children = el.inlineTemplate ? null : genChildren(el, state, true);
	      code = "_c('".concat(el.tag, "'").concat(data ? ",".concat(data) : '' // data
	      ).concat(children ? ",".concat(children) : '' // children
	      , ")");
	    } // module transforms


	    for (var i = 0; i < state.transforms.length; i++) {
	      code = state.transforms[i](el, code);
	    }

	    return code;
	  }
	} // hoist static sub-trees out


	function genStatic(el, state) {
	  el.staticProcessed = true; // Some elements (templates) need to behave differently inside of a v-pre
	  // node.  All pre nodes are static roots, so we can use this as a location to
	  // wrap a state change and reset it upon exiting the pre node.

	  var originalPreState = state.pre;

	  if (el.pre) {
	    state.pre = el.pre;
	  }

	  state.staticRenderFns.push("with(this){return ".concat(genElement(el, state), "}"));
	  state.pre = originalPreState;
	  return "_m(".concat(state.staticRenderFns.length - 1).concat(el.staticInFor ? ',true' : '', ")");
	} // v-once


	function genOnce(el, state) {
	  el.onceProcessed = true;

	  if (el["if"] && !el.ifProcessed) {
	    return genIf(el, state);
	  } else if (el.staticInFor) {
	    var key = '';
	    var parent = el.parent;

	    while (parent) {
	      if (parent["for"]) {
	        key = parent.key;
	        break;
	      }

	      parent = parent.parent;
	    }

	    if (!key) {
	      state.warn("v-once can only be used inside v-for that is keyed. ", el.rawAttrsMap['v-once']);
	      return genElement(el, state);
	    }

	    return "_o(".concat(genElement(el, state), ",").concat(state.onceId++, ",").concat(key, ")");
	  } else {
	    return genStatic(el, state);
	  }
	}

	function genIf(el, state, altGen, altEmpty) {
	  el.ifProcessed = true; // avoid recursion

	  return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty);
	}

	function genIfConditions(conditions, state, altGen, altEmpty) {
	  if (!conditions.length) {
	    return altEmpty || '_e()';
	  }

	  var condition = conditions.shift();

	  if (condition.exp) {
	    return "(".concat(condition.exp, ")?").concat(genTernaryExp(condition.block), ":").concat(genIfConditions(conditions, state, altGen, altEmpty));
	  } else {
	    return "".concat(genTernaryExp(condition.block));
	  } // v-if with v-once should generate code like (a)?_m(0):_m(1)


	  function genTernaryExp(el) {
	    return altGen ? altGen(el, state) : el.once ? genOnce(el, state) : genElement(el, state);
	  }
	}

	function genFor(el, state, altGen, altHelper) {
	  var exp = el["for"];
	  var alias = el.alias;
	  var iterator1 = el.iterator1 ? ",".concat(el.iterator1) : '';
	  var iterator2 = el.iterator2 ? ",".concat(el.iterator2) : '';

	  if (state.maybeComponent(el) && el.tag !== 'slot' && el.tag !== 'template' && !el.key) {
	    state.warn("<".concat(el.tag, " v-for=\"").concat(alias, " in ").concat(exp, "\">: component lists rendered with ") + "v-for should have explicit keys. " + "See https://vuejs.org/guide/list.html#key for more info.", el.rawAttrsMap['v-for'], true
	    /* tip */
	    );
	  }

	  el.forProcessed = true; // avoid recursion

	  return "".concat(altHelper || '_l', "((").concat(exp, "),") + "function(".concat(alias).concat(iterator1).concat(iterator2, "){") + "return ".concat((altGen || genElement)(el, state)) + '})';
	}

	function genData$2(el, state) {
	  var data = '{'; // directives first.
	  // directives may mutate the el's other properties before they are generated.

	  var dirs = genDirectives(el, state);
	  if (dirs) data += dirs + ','; // key

	  if (el.key) {
	    data += "key:".concat(el.key, ",");
	  } // ref


	  if (el.ref) {
	    data += "ref:".concat(el.ref, ",");
	  }

	  if (el.refInFor) {
	    data += "refInFor:true,";
	  } // pre


	  if (el.pre) {
	    data += "pre:true,";
	  } // record original tag name for components using "is" attribute


	  if (el.component) {
	    data += "tag:\"".concat(el.tag, "\",");
	  } // module data generation functions


	  for (var i = 0; i < state.dataGenFns.length; i++) {
	    data += state.dataGenFns[i](el);
	  } // attributes


	  if (el.attrs) {
	    data += "attrs:".concat(genProps(el.attrs), ",");
	  } // DOM props


	  if (el.props) {
	    data += "domProps:".concat(genProps(el.props), ",");
	  } // event handlers


	  if (el.events) {
	    data += "".concat(genHandlers(el.events, false), ",");
	  }

	  if (el.nativeEvents) {
	    data += "".concat(genHandlers(el.nativeEvents, true), ",");
	  } // slot target
	  // only for non-scoped slots


	  if (el.slotTarget && !el.slotScope) {
	    data += "slot:".concat(el.slotTarget, ",");
	  } // scoped slots


	  if (el.scopedSlots) {
	    data += "".concat(genScopedSlots(el, el.scopedSlots, state), ",");
	  } // component v-model


	  if (el.model) {
	    data += "model:{value:".concat(el.model.value, ",callback:").concat(el.model.callback, ",expression:").concat(el.model.expression, "},");
	  } // inline-template


	  if (el.inlineTemplate) {
	    var inlineTemplate = genInlineTemplate(el, state);

	    if (inlineTemplate) {
	      data += "".concat(inlineTemplate, ",");
	    }
	  }

	  data = data.replace(/,$/, '') + '}'; // v-bind dynamic argument wrap
	  // v-bind with dynamic arguments must be applied using the same v-bind object
	  // merge helper so that class/style/mustUseProp attrs are handled correctly.

	  if (el.dynamicAttrs) {
	    data = "_b(".concat(data, ",\"").concat(el.tag, "\",").concat(genProps(el.dynamicAttrs), ")");
	  } // v-bind data wrap


	  if (el.wrapData) {
	    data = el.wrapData(data);
	  } // v-on data wrap


	  if (el.wrapListeners) {
	    data = el.wrapListeners(data);
	  }

	  return data;
	}

	function genDirectives(el, state) {
	  var dirs = el.directives;
	  if (!dirs) return;
	  var res = 'directives:[';
	  var hasRuntime = false;
	  var i, l, dir, needRuntime;

	  for (i = 0, l = dirs.length; i < l; i++) {
	    dir = dirs[i];
	    needRuntime = true;
	    var gen = state.directives[dir.name];

	    if (gen) {
	      // compile-time directive that manipulates AST.
	      // returns true if it also needs a runtime counterpart.
	      needRuntime = !!gen(el, dir, state.warn);
	    }

	    if (needRuntime) {
	      hasRuntime = true;
	      res += "{name:\"".concat(dir.name, "\",rawName:\"").concat(dir.rawName, "\"").concat(dir.value ? ",value:(".concat(dir.value, "),expression:").concat(JSON.stringify(dir.value)) : '').concat(dir.arg ? ",arg:".concat(dir.isDynamicArg ? dir.arg : "\"".concat(dir.arg, "\"")) : '').concat(dir.modifiers ? ",modifiers:".concat(JSON.stringify(dir.modifiers)) : '', "},");
	    }
	  }

	  if (hasRuntime) {
	    return res.slice(0, -1) + ']';
	  }
	}

	function genInlineTemplate(el, state) {
	  var ast = el.children[0];

	  if (el.children.length !== 1 || ast.type !== 1) {
	    state.warn('Inline-template components must have exactly one child element.', {
	      start: el.start
	    });
	  }

	  if (ast && ast.type === 1) {
	    var inlineRenderFns = generate(ast, state.options);
	    return "inlineTemplate:{render:function(){".concat(inlineRenderFns.render, "},staticRenderFns:[").concat(inlineRenderFns.staticRenderFns.map(function (code) {
	      return "function(){".concat(code, "}");
	    }).join(','), "]}");
	  }
	}

	function genScopedSlots(el, slots, state) {
	  // by default scoped slots are considered "stable", this allows child
	  // components with only scoped slots to skip forced updates from parent.
	  // but in some cases we have to bail-out of this optimization
	  // for example if the slot contains dynamic names, has v-if or v-for on them...
	  var needsForceUpdate = el["for"] || Object.keys(slots).some(function (key) {
	    var slot = slots[key];
	    return slot.slotTargetDynamic || slot["if"] || slot["for"] || containsSlotChild(slot) // is passing down slot from parent which may be dynamic
	    ;
	  }); // #9534: if a component with scoped slots is inside a conditional branch,
	  // it's possible for the same component to be reused but with different
	  // compiled slot content. To avoid that, we generate a unique key based on
	  // the generated code of all the slot contents.

	  var needsKey = !!el["if"]; // OR when it is inside another scoped slot or v-for (the reactivity may be
	  // disconnected due to the intermediate scope variable)
	  // #9438, #9506
	  // TODO: this can be further optimized by properly analyzing in-scope bindings
	  // and skip force updating ones that do not actually use scope variables.

	  if (!needsForceUpdate) {
	    var parent = el.parent;

	    while (parent) {
	      if (parent.slotScope && parent.slotScope !== emptySlotScopeToken || parent["for"]) {
	        needsForceUpdate = true;
	        break;
	      }

	      if (parent["if"]) {
	        needsKey = true;
	      }

	      parent = parent.parent;
	    }
	  }

	  var generatedSlots = Object.keys(slots).map(function (key) {
	    return genScopedSlot(slots[key], state);
	  }).join(',');
	  return "scopedSlots:_u([".concat(generatedSlots, "]").concat(needsForceUpdate ? ",null,true" : "").concat(!needsForceUpdate && needsKey ? ",null,false,".concat(hash(generatedSlots)) : "", ")");
	}

	function hash(str) {
	  var hash = 5381;
	  var i = str.length;

	  while (i) {
	    hash = hash * 33 ^ str.charCodeAt(--i);
	  }

	  return hash >>> 0;
	}

	function containsSlotChild(el) {
	  if (el.type === 1) {
	    if (el.tag === 'slot') {
	      return true;
	    }

	    return el.children.some(containsSlotChild);
	  }

	  return false;
	}

	function genScopedSlot(el, state) {
	  var isLegacySyntax = el.attrsMap['slot-scope'];

	  if (el["if"] && !el.ifProcessed && !isLegacySyntax) {
	    return genIf(el, state, genScopedSlot, "null");
	  }

	  if (el["for"] && !el.forProcessed) {
	    return genFor(el, state, genScopedSlot);
	  }

	  var slotScope = el.slotScope === emptySlotScopeToken ? "" : String(el.slotScope);
	  var fn = "function(".concat(slotScope, "){") + "return ".concat(el.tag === 'template' ? el["if"] && isLegacySyntax ? "(".concat(el["if"], ")?").concat(genChildren(el, state) || 'undefined', ":undefined") : genChildren(el, state) || 'undefined' : genElement(el, state), "}"); // reverse proxy v-slot without scope on this.$slots

	  var reverseProxy = slotScope ? "" : ",proxy:true";
	  return "{key:".concat(el.slotTarget || "\"default\"", ",fn:").concat(fn).concat(reverseProxy, "}");
	}

	function genChildren(el, state, checkSkip, altGenElement, altGenNode) {
	  var children = el.children;

	  if (children.length) {
	    var _el2 = children[0]; // optimize single v-for

	    if (children.length === 1 && _el2["for"] && _el2.tag !== 'template' && _el2.tag !== 'slot') {
	      var _normalizationType = checkSkip ? state.maybeComponent(_el2) ? ",1" : ",0" : "";

	      return "".concat((altGenElement || genElement)(_el2, state)).concat(_normalizationType);
	    }

	    var normalizationType = checkSkip ? getNormalizationType(children, state.maybeComponent) : 0;
	    var gen = altGenNode || genNode;
	    return "[".concat(children.map(function (c) {
	      return gen(c, state);
	    }).join(','), "]").concat(normalizationType ? ",".concat(normalizationType) : '');
	  }
	} // determine the normalization needed for the children array.
	// 0: no normalization needed
	// 1: simple normalization needed (possible 1-level deep nested array)
	// 2: full normalization needed


	function getNormalizationType(children, maybeComponent) {
	  var res = 0;

	  for (var i = 0; i < children.length; i++) {
	    var el = children[i];

	    if (el.type !== 1) {
	      continue;
	    }

	    if (needsNormalization(el) || el.ifConditions && el.ifConditions.some(function (c) {
	      return needsNormalization(c.block);
	    })) {
	      res = 2;
	      break;
	    }

	    if (maybeComponent(el) || el.ifConditions && el.ifConditions.some(function (c) {
	      return maybeComponent(c.block);
	    })) {
	      res = 1;
	    }
	  }

	  return res;
	}

	function needsNormalization(el) {
	  return el["for"] !== undefined || el.tag === 'template' || el.tag === 'slot';
	}

	function genNode(node, state) {
	  if (node.type === 1) {
	    return genElement(node, state);
	  } else if (node.type === 3 && node.isComment) {
	    return genComment(node);
	  } else {
	    return genText(node);
	  }
	}

	function genText(text) {
	  return "_v(".concat(text.type === 2 ? text.expression // no need for () because already wrapped in _s()
	  : transformSpecialNewlines(JSON.stringify(text.text)), ")");
	}

	function genComment(comment) {
	  return "_e(".concat(JSON.stringify(comment.text), ")");
	}

	function genSlot(el, state) {
	  var slotName = el.slotName || '"default"';
	  var children = genChildren(el, state);
	  var res = "_t(".concat(slotName).concat(children ? ",function(){return ".concat(children, "}") : '');
	  var attrs = el.attrs || el.dynamicAttrs ? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) {
	    return {
	      // slot props are camelized
	      name: camelize(attr.name),
	      value: attr.value,
	      dynamic: attr.dynamic
	    };
	  })) : null;
	  var bind$$1 = el.attrsMap['v-bind'];

	  if ((attrs || bind$$1) && !children) {
	    res += ",null";
	  }

	  if (attrs) {
	    res += ",".concat(attrs);
	  }

	  if (bind$$1) {
	    res += "".concat(attrs ? '' : ',null', ",").concat(bind$$1);
	  }

	  return res + ')';
	} // componentName is el.component, take it as argument to shun flow's pessimistic refinement


	function genComponent(componentName, el, state) {
	  var children = el.inlineTemplate ? null : genChildren(el, state, true);
	  return "_c(".concat(componentName, ",").concat(genData$2(el, state)).concat(children ? ",".concat(children) : '', ")");
	}

	function genProps(props) {
	  var staticProps = "";
	  var dynamicProps = "";

	  for (var i = 0; i < props.length; i++) {
	    var prop = props[i];
	    var value = transformSpecialNewlines(prop.value);

	    if (prop.dynamic) {
	      dynamicProps += "".concat(prop.name, ",").concat(value, ",");
	    } else {
	      staticProps += "\"".concat(prop.name, "\":").concat(value, ",");
	    }
	  }

	  staticProps = "{".concat(staticProps.slice(0, -1), "}");

	  if (dynamicProps) {
	    return "_d(".concat(staticProps, ",[").concat(dynamicProps.slice(0, -1), "])");
	  } else {
	    return staticProps;
	  }
	} // #3895, #4268


	function transformSpecialNewlines(text) {
	  return text.replace(/\u2028/g, "\\u2028").replace(/\u2029/g, "\\u2029");
	}
	/*  */
	// these keywords should not appear inside expressions, but operators like
	// typeof, instanceof and in are allowed


	var prohibitedKeywordRE = new RegExp('\\b' + ('do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' + 'super,throw,while,yield,delete,export,import,return,switch,default,' + 'extends,finally,continue,debugger,function,arguments').split(',').join('\\b|\\b') + '\\b'); // these unary operators should not be used as property/method names

	var unaryOperatorsRE = new RegExp('\\b' + 'delete,typeof,void'.split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)'); // strip strings in expressions

	var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g; // detect problematic expressions in a template

	function detectErrors(ast, warn) {
	  if (ast) {
	    checkNode(ast, warn);
	  }
	}

	function checkNode(node, warn) {
	  if (node.type === 1) {
	    for (var name in node.attrsMap) {
	      if (dirRE.test(name)) {
	        var value = node.attrsMap[name];

	        if (value) {
	          var _range = node.rawAttrsMap[name];

	          if (name === 'v-for') {
	            checkFor(node, "v-for=\"".concat(value, "\""), warn, _range);
	          } else if (name === 'v-slot' || name[0] === '#') {
	            checkFunctionParameterExpression(value, "".concat(name, "=\"").concat(value, "\""), warn, _range);
	          } else if (onRE.test(name)) {
	            checkEvent(value, "".concat(name, "=\"").concat(value, "\""), warn, _range);
	          } else {
	            checkExpression(value, "".concat(name, "=\"").concat(value, "\""), warn, _range);
	          }
	        }
	      }
	    }

	    if (node.children) {
	      for (var i = 0; i < node.children.length; i++) {
	        checkNode(node.children[i], warn);
	      }
	    }
	  } else if (node.type === 2) {
	    checkExpression(node.expression, node.text, warn, node);
	  }
	}

	function checkEvent(exp, text, warn, range) {
	  var stripped = exp.replace(stripStringRE, '');
	  var keywordMatch = stripped.match(unaryOperatorsRE);

	  if (keywordMatch && stripped.charAt(keywordMatch.index - 1) !== '$') {
	    warn("avoid using JavaScript unary operator as property name: " + "\"".concat(keywordMatch[0], "\" in expression ").concat(text.trim()), range);
	  }

	  checkExpression(exp, text, warn, range);
	}

	function checkFor(node, text, warn, range) {
	  checkExpression(node["for"] || '', text, warn, range);
	  checkIdentifier(node.alias, 'v-for alias', text, warn, range);
	  checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);
	  checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);
	}

	function checkIdentifier(ident, type, text, warn, range) {
	  if (typeof ident === 'string') {
	    try {
	      new Function("var ".concat(ident, "=_"));
	    } catch (e) {
	      warn("invalid ".concat(type, " \"").concat(ident, "\" in expression: ").concat(text.trim()), range);
	    }
	  }
	}

	function checkExpression(exp, text, warn, range) {
	  try {
	    new Function("return ".concat(exp));
	  } catch (e) {
	    var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);

	    if (keywordMatch) {
	      warn("avoid using JavaScript keyword as property name: " + "\"".concat(keywordMatch[0], "\"\n  Raw expression: ").concat(text.trim()), range);
	    } else {
	      warn("invalid expression: ".concat(e.message, " in\n\n") + "    ".concat(exp, "\n\n") + "  Raw expression: ".concat(text.trim(), "\n"), range);
	    }
	  }
	}

	function checkFunctionParameterExpression(exp, text, warn, range) {
	  try {
	    new Function(exp, '');
	  } catch (e) {
	    warn("invalid function parameter expression: ".concat(e.message, " in\n\n") + "    ".concat(exp, "\n\n") + "  Raw expression: ".concat(text.trim(), "\n"), range);
	  }
	}
	/*  */


	var range = 2;

	function generateCodeFrame(source) {
	  var start = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
	  var end = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : source.length;
	  var lines = source.split(/\r?\n/);
	  var count = 0;
	  var res = [];

	  for (var i = 0; i < lines.length; i++) {
	    count += lines[i].length + 1;

	    if (count >= start) {
	      for (var j = i - range; j <= i + range || end > count; j++) {
	        if (j < 0 || j >= lines.length) continue;
	        res.push("".concat(j + 1).concat(repeat(" ", 3 - String(j + 1).length), "|  ").concat(lines[j]));
	        var lineLength = lines[j].length;

	        if (j === i) {
	          // push underline
	          var pad = start - (count - lineLength) + 1;
	          var length = end > count ? lineLength - pad : end - start;
	          res.push("   |  " + repeat(" ", pad) + repeat("^", length));
	        } else if (j > i) {
	          if (end > count) {
	            var _length = Math.min(end - count, lineLength);

	            res.push("   |  " + repeat("^", _length));
	          }

	          count += lineLength + 1;
	        }
	      }

	      break;
	    }
	  }

	  return res.join('\n');
	}

	function repeat(str, n) {
	  var result = '';

	  if (n > 0) {
	    while (true) {
	      // eslint-disable-line
	      if (n & 1) result += str;
	      n >>>= 1;
	      if (n <= 0) break;
	      str += str;
	    }
	  }

	  return result;
	}
	/*  */


	function createFunction(code, errors) {
	  try {
	    return new Function(code);
	  } catch (err) {
	    errors.push({
	      err: err,
	      code: code
	    });
	    return noop;
	  }
	}

	function createCompileToFunctionFn(compile) {
	  var cache = Object.create(null);
	  return function compileToFunctions(template, options, vm) {
	    options = extend({}, options);
	    var warn$$1 = options.warn || warn;
	    delete options.warn;
	    /* istanbul ignore if */

	    {
	      // detect possible CSP restriction
	      try {
	        new Function('return 1');
	      } catch (e) {
	        if (e.toString().match(/unsafe-eval|CSP/)) {
	          warn$$1('It seems you are using the standalone build of Vue.js in an ' + 'environment with Content Security Policy that prohibits unsafe-eval. ' + 'The template compiler cannot work in this environment. Consider ' + 'relaxing the policy to allow unsafe-eval or pre-compiling your ' + 'templates into render functions.');
	        }
	      }
	    } // check cache

	    var key = options.delimiters ? String(options.delimiters) + template : template;

	    if (cache[key]) {
	      return cache[key];
	    } // compile


	    var compiled = compile(template, options); // check compilation errors/tips

	    {
	      if (compiled.errors && compiled.errors.length) {
	        if (options.outputSourceRange) {
	          compiled.errors.forEach(function (e) {
	            warn$$1("Error compiling template:\n\n".concat(e.msg, "\n\n") + generateCodeFrame(template, e.start, e.end), vm);
	          });
	        } else {
	          warn$$1("Error compiling template:\n\n".concat(template, "\n\n") + compiled.errors.map(function (e) {
	            return "- ".concat(e);
	          }).join('\n') + '\n', vm);
	        }
	      }

	      if (compiled.tips && compiled.tips.length) {
	        if (options.outputSourceRange) {
	          compiled.tips.forEach(function (e) {
	            return tip(e.msg, vm);
	          });
	        } else {
	          compiled.tips.forEach(function (msg) {
	            return tip(msg, vm);
	          });
	        }
	      }
	    } // turn code into functions

	    var res = {};
	    var fnGenErrors = [];
	    res.render = createFunction(compiled.render, fnGenErrors);
	    res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
	      return createFunction(code, fnGenErrors);
	    }); // check function generation errors.
	    // this should only happen if there is a bug in the compiler itself.
	    // mostly for codegen development use

	    /* istanbul ignore if */

	    {
	      if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
	        warn$$1("Failed to generate render function:\n\n" + fnGenErrors.map(function (_ref5) {
	          var err = _ref5.err,
	              code = _ref5.code;
	          return "".concat(err.toString(), " in\n\n").concat(code, "\n");
	        }).join('\n'), vm);
	      }
	    }
	    return cache[key] = res;
	  };
	}
	/*  */


	function createCompilerCreator(baseCompile) {
	  return function createCompiler(baseOptions) {
	    function compile(template, options) {
	      var finalOptions = Object.create(baseOptions);
	      var errors = [];
	      var tips = [];

	      var warn = function warn(msg, range, tip) {
	        (tip ? tips : errors).push(msg);
	      };

	      if (options) {
	        if (options.outputSourceRange) {
	          // $flow-disable-line
	          var leadingSpaceLength = template.match(/^\s*/)[0].length;

	          warn = function warn(msg, range, tip) {
	            var data = {
	              msg: msg
	            };

	            if (range) {
	              if (range.start != null) {
	                data.start = range.start + leadingSpaceLength;
	              }

	              if (range.end != null) {
	                data.end = range.end + leadingSpaceLength;
	              }
	            }

	            (tip ? tips : errors).push(data);
	          };
	        } // merge custom modules


	        if (options.modules) {
	          finalOptions.modules = (baseOptions.modules || []).concat(options.modules);
	        } // merge custom directives


	        if (options.directives) {
	          finalOptions.directives = extend(Object.create(baseOptions.directives || null), options.directives);
	        } // copy other options


	        for (var key in options) {
	          if (key !== 'modules' && key !== 'directives') {
	            finalOptions[key] = options[key];
	          }
	        }
	      }

	      finalOptions.warn = warn;
	      var compiled = baseCompile(template.trim(), finalOptions);
	      {
	        detectErrors(compiled.ast, warn);
	      }
	      compiled.errors = errors;
	      compiled.tips = tips;
	      return compiled;
	    }

	    return {
	      compile: compile,
	      compileToFunctions: createCompileToFunctionFn(compile)
	    };
	  };
	}
	/*  */
	// `createCompilerCreator` allows creating compilers that use alternative
	// parser/optimizer/codegen, e.g the SSR optimizing compiler.
	// Here we just export a default compiler using the default parts.


	var createCompiler = createCompilerCreator(function baseCompile(template, options) {
	  var ast = parse(template.trim(), options);

	  if (options.optimize !== false) {
	    optimize(ast, options);
	  }

	  var code = generate(ast, options);
	  return {
	    ast: ast,
	    render: code.render,
	    staticRenderFns: code.staticRenderFns
	  };
	});
	/*  */

	var _createCompiler = createCompiler(baseOptions),
	    compileToFunctions = _createCompiler.compileToFunctions;
	/*  */
	// check whether current browser encodes a char inside attribute values


	var div;

	function getShouldDecode(href) {
	  div = div || document.createElement('div');
	  div.innerHTML = href ? "<a href=\"\n\"/>" : "<div a=\"\n\"/>";
	  return div.innerHTML.indexOf('&#10;') > 0;
	} // #3663: IE encodes newlines inside attribute values while other browsers don't


	var shouldDecodeNewlines = inBrowser ? getShouldDecode(false) : false; // #6828: chrome encodes content in a[href]

	var shouldDecodeNewlinesForHref = inBrowser ? getShouldDecode(true) : false;
	/*  */

	var idToTemplate = cached(function (id) {
	  var el = query(id);
	  return el && el.innerHTML;
	});
	var mount = Vue.prototype.$mount;

	Vue.prototype.$mount = function (el, hydrating) {
	  el = el && query(el);
	  /* istanbul ignore if */

	  if (el === document.body || el === document.documentElement) {
	    warn("Do not mount Vue to <html> or <body> - mount to normal elements instead.");
	    return this;
	  }

	  var options = this.$options; // resolve template/el and convert to render function

	  if (!options.render) {
	    var template = options.template;

	    if (template) {
	      if (typeof template === 'string') {
	        if (template.charAt(0) === '#') {
	          template = idToTemplate(template);
	          /* istanbul ignore if */

	          if (!template) {
	            warn("Template element not found or is empty: ".concat(options.template), this);
	          }
	        }
	      } else if (template.nodeType) {
	        template = template.innerHTML;
	      } else {
	        {
	          warn('invalid template option:' + template, this);
	        }
	        return this;
	      }
	    } else if (el) {
	      template = getOuterHTML(el);
	    }

	    if (template) {
	      /* istanbul ignore if */
	      if (config.performance && mark) {
	        mark('compile');
	      }

	      var _compileToFunctions = compileToFunctions(template, {
	        outputSourceRange: "development" !== 'production',
	        shouldDecodeNewlines: shouldDecodeNewlines,
	        shouldDecodeNewlinesForHref: shouldDecodeNewlinesForHref,
	        delimiters: options.delimiters,
	        comments: options.comments
	      }, this),
	          render = _compileToFunctions.render,
	          staticRenderFns = _compileToFunctions.staticRenderFns;

	      options.render = render;
	      options.staticRenderFns = staticRenderFns;
	      /* istanbul ignore if */

	      if (config.performance && mark) {
	        mark('compile end');
	        measure("vue ".concat(this._name, " compile"), 'compile', 'compile end');
	      }
	    }
	  }

	  return mount.call(this, el, hydrating);
	};
	/**
	 * Get outerHTML of elements, taking care
	 * of SVG elements in IE as well.
	 */


	function getOuterHTML(el) {
	  if (el.outerHTML) {
	    return el.outerHTML;
	  } else {
	    var container = document.createElement('div');
	    container.appendChild(el.cloneNode(true));
	    return container.innerHTML;
	  }
	}

	Vue.compile = compileToFunctions; // origin-end
	BitrixVue.developerMode = true;
	var BitrixVueInstance = new BitrixVue(Vue);
	BitrixVueInstance.developerMode = true;

	exports.BitrixVue = BitrixVueInstance;
	exports.Vue = BitrixVueInstance;
	exports.VueVendor = Vue;
	exports.VueVendorV2 = Vue;

}((this.BX = this.BX || {}),BX.Event,BX,BX,BX));



})();
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